#include #include #include #include #define overload4(_1, _2, _3, _4, name, ...) name #define rep1(i, n) for (ll i = 0; i < ll(n); ++i) #define rep2(i, s, n) for (ll i = ll(s); i < ll(n); ++i) #define rep3(i, s, n, d) for(ll i = ll(s); i < ll(n); i+=d) #define rep(...) overload4(__VA_ARGS__,rep3,rep2,rep1)(__VA_ARGS__) #define rrep1(i, n) for (ll i = ll(n)-1; i >= 0; i--) #define rrep2(i, n, t) for (ll i = ll(n)-1; i >= (ll)t; i--) #define rrep3(i, n, t, d) for (ll i = ll(n)-1; i >= (ll)t; i-=d) #define rrep(...) overload4(__VA_ARGS__,rrep3,rrep2,rrep1)(__VA_ARGS__) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define SUM(a) accumulate(all(a),0LL) #define MIN(a) *min_element(all(a)) #define MAX(a) *max_element(all(a)) #define SORT(a) sort(all(a)); #define REV(a) reverse(all(a)); #define SZ(a) int(a.size()) #define popcount(x) __builtin_popcountll(x) #define pf push_front #define pb push_back #define ef emplace_front #define eb emplace_back #define ppf pop_front #define ppb pop_back #ifdef __LOCAL #define debug(...) { cout << #__VA_ARGS__; cout << ": "; print(__VA_ARGS__); cout << flush; } #else #define debug(...) void(0); #endif #define INT(...) int __VA_ARGS__;scan(__VA_ARGS__) #define LL(...) ll __VA_ARGS__;scan(__VA_ARGS__) #define STR(...) string __VA_ARGS__;scan(__VA_ARGS__) #define CHR(...) char __VA_ARGS__;scan(__VA_ARGS__) #define DBL(...) double __VA_ARGS__;scan(__VA_ARGS__) #define LD(...) ld __VA_ARGS__;scan(__VA_ARGS__) using namespace std; using namespace __gnu_pbds; using ll = long long; using ld = long double; using P = pair; using LP = pair; using vi = vector; using vvi = vector; using vvvi = vector; using vl = vector; using vvl = vector; using vvvl = vector; using vd = vector; using vvd = vector; using vs = vector; using vc = vector; using vvc = vector; using vb = vector; using vvb = vector; using vp = vector

; using vvp = vector; template using PQ = priority_queue, vector>, greater>>; template istream &operator>>(istream &is, pair &p) { return is >> p.first >> p.second; } template ostream &operator<<(ostream &os, const pair &p) { return os << '{' << p.first << ", " << p.second << '}'; } template istream &operator>>(istream &is, tuple &t) { return is >> get<0>(t) >> get<1>(t) >> get<2>(t); } template ostream &operator<<(ostream &os, const tuple &t) { return os << '{' << get<0>(t) << ", " << get<1>(t) << ", " << get<2>(t) << '}'; } template istream &operator>>(istream &is, vector &v) { for (T &t: v) { is >> t; } return is; } template ostream &operator<<(ostream &os, const vector &v) { os << '['; rep(i, v.size()) os << v[i] << (i == int(v.size() - 1) ? "" : ", "); return os << ']'; } template ostream &operator<<(ostream &os, const deque &v) { os << '['; rep(i, v.size()) os << v[i] << (i == int(v.size() - 1) ? "" : ", "); return os << ']'; } template ostream &operator<<(ostream &os, const set &st) { os << '{'; auto it = st.begin(); while (it != st.end()) { os << (it == st.begin() ? "" : ", ") << *it; it++; } return os << '}'; } template ostream &operator<<(ostream &os, const multiset &st) { os << '{'; auto it = st.begin(); while (it != st.end()) { os << (it == st.begin() ? "" : ", ") << *it; it++; } return os << '}'; } template ostream &operator<<(ostream &os, const map &mp) { os << '{'; auto it = mp.begin(); while (it != mp.end()) { os << (it == mp.begin() ? "" : ", ") << *it; it++; } return os << '}'; } template void vecout(const vector &v, char div = '\n') { rep(i, v.size()) cout << v[i] << (i == int(v.size() - 1) ? '\n' : div); } template bool constexpr chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template bool constexpr chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } void scan() {} template void scan(Head &head, Tail &... tail) { cin >> head; scan(tail...); } template void print(const T &t) { cout << t << '\n'; } template void print(const Head &head, const Tail &... tail) { cout << head << ' '; print(tail...); } template void fin(const T &... a) { print(a...); exit(0); } template vector &operator+=(vector &v, T x) { for (T &t: v) t += x; return v; } template vector &operator-=(vector &v, T x) { for (T &t: v) t -= x; return v; } template vector &operator*=(vector &v, T x) { for (T &t: v) t *= x; return v; } template vector &operator/=(vector &v, T x) { for (T &t: v) t /= x; return v; } struct Init_io { Init_io() { ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); cout << boolalpha << fixed << setprecision(15); cerr << boolalpha << fixed << setprecision(15); } } init_io; const string yes[] = {"no", "yes"}; const string Yes[] = {"No", "Yes"}; const string YES[] = {"NO", "YES"}; const int inf = 1001001001; const ll linf = 1001001001001001001; void rearrange(const vi &) {} template void rearrange(const vi &ord, vector &head, Tail &...tail) { assert(ord.size() == head.size()); vector ori = head; rep(i, ord.size()) head[i] = ori[ord[i]]; rearrange(ord, tail...); } template void sort_by(vector &head, Tail &... tail) { vi ord(head.size()); iota(all(ord), 0); sort(all(ord), [&](int i, int j) { return head[i] < head[j]; }); rearrange(ord, head, tail...); } template vector cumsum(const vector &v, bool shift_one = true) { int n = v.size(); vector res; if (shift_one) { res.resize(n + 1); rep(i, n) res[i + 1] = res[i] + v[i]; } else { res.resize(n); if (n) { res[0] = v[0]; rep(i, 1, n) res[i] = res[i - 1] + v[i]; } } return res; } vvi graph(int n, int m, bool directed = false, int origin = 1) { vvi G(n); rep(_, m) { INT(u, v); u -= origin, v -= origin; G[u].pb(v); if (!directed) G[v].pb(u); } return G; } template vector>> weighted_graph(int n, int m, bool directed = false, int origin = 1) { vector>> G(n); rep(_, m) { int u, v; T w; scan(u, v, w); u -= origin, v -= origin; G[u].eb(v, w); if (!directed) G[v].eb(u, w); } return G; } template class modint { ll x; public: constexpr modint(ll x = 0) : x((x % mod + mod) % mod) {} static constexpr int get_mod() { return mod; } constexpr int val() const { return x; } constexpr modint operator-() const { return modint(-x); } constexpr modint &operator+=(const modint &a) { if ((x += a.val()) >= mod) x -= mod; return *this; } constexpr modint &operator++() { return *this += 1; } constexpr modint &operator-=(const modint &a) { if ((x += mod - a.val()) >= mod) x -= mod; return *this; } constexpr modint &operator--() { return *this -= 1; } constexpr modint &operator*=(const modint &a) { (x *= a.val()) %= mod; return *this; } constexpr modint operator+(const modint &a) const { modint res(*this); return res += a; } constexpr modint operator-(const modint &a) const { modint res(*this); return res -= a; } constexpr modint operator*(const modint &a) const { modint res(*this); return res *= a; } constexpr modint pow(ll t) const { modint res = 1, a(*this); while (t > 0) { if (t & 1) res *= a; t >>= 1; a *= a; } return res; } template friend istream &operator>>(istream &, modint &); // for prime mod constexpr modint inv() const { return pow(mod - 2); } constexpr modint &operator/=(const modint &a) { return *this *= a.inv(); } constexpr modint operator/(const modint &a) const { modint res(*this); return res /= a; } // constraints : mod = 2 or val = 0 or val^((mod-1)/2) ≡ 1 // mod is prime // time complexity : O(log^2 p) // reference : https://nyaannyaan.github.io/library/modulo/mod-sqrt.hpp modint sqrt() const { if (x < 2) return x; assert(this->pow((mod - 1) >> 1).val() == 1); modint b = 1; while (b.pow((mod - 1) >> 1).val() == 1) b += 1; ll m = mod - 1, e = 0; while (~m & 1) m >>= 1, e += 1; modint X = this->pow((m - 1) >> 1); modint Y = (*this) * X * X; X *= *this; modint Z = b.pow(m); while (Y.val() != 1) { ll j = 0; modint t = Y; while (t.val() != 1) { j += 1; t *= t; } Z = Z.pow(1LL << (e - j - 1)); X *= Z; Z *= Z; Y *= Z; e = j; } return X; } }; using modint998244353 = modint<998244353>; using modint1000000007 = modint<1000000007>; template istream &operator>>(istream &is, modint &a) { return is >> a.x; } template constexpr ostream &operator<<(ostream &os, const modint &a) { return os << a.val(); } template constexpr bool operator==(const modint &a, const modint &b) { return a.val() == b.val(); } template constexpr bool operator!=(const modint &a, const modint &b) { return a.val() != b.val(); } template constexpr modint &operator++(modint &a) { return a += 1; } template constexpr modint &operator--(modint &a) { return a -= 1; } using mint = modint1000000007; using vm = vector; using vvm = vector; // reference : https://nyaannyaan.github.io/library/misc/rng.hpp // [0, 2^64 - 1) uint64_t rng() { static uint64_t x_ = uint64_t(chrono::duration_cast( chrono::high_resolution_clock::now().time_since_epoch()) .count()) * 10150724397891781847ULL; x_ ^= x_ << 7; return x_ ^= x_ >> 9; } // [l, r) template T randint(T l, T r) { assert(l < r); return l + rng() % (r - l); } // choose n numbers from [l, r) without overlapping template vector randset(T l, T r, T n) { assert(1 <= n and n <= r - l); unordered_set st; for (T i = n; i > 0; --i) { T m = randint(l, r + 1 - i); if (st.count(m)) m = r - i; st.insert(m); } vector res; for (T x: st) res.pb(x); return res; } // [0.0, 1.0) double rnd() { union raw_cast { double t; uint64_t u; }; constexpr uint64_t p = uint64_t(1023 - 64) << 52; return rng() * ((raw_cast *) (&p))->t; } template void randshf(vector &v) { int n = v.size(); rep(_, 2) rep(i, n) swap(v[i], v[randint(0, n)]); } // reference : https://nyaannyaan.github.io/library/prime/fast-factorize.hpp.html template class prime { vector as; constexpr T add(T a, T b, T m) { return (a + b >= m ? a + b - m : a + b); } constexpr T sub(T a, T b, T m) { return (a - b < 0 ? a - b + m : a - b); } constexpr T mul(T a, T b, T m) { return T((__int128) a * (__int128) b % m); } constexpr T mod_pow(T a, T t, T m) { T res = 1; while (t > 0) { if (t & 1) res = mul(res, a, m); t >>= 1; a = mul(a, a, m); } return res; } constexpr bool miller_rabin(T n) { T d = n - 1; while (~d & 1) d >>= 1; for (T a: as) { a %= n; if (!a) return true; T t = d; T y = mod_pow(a, t, n); while (t != n - 1 and y != 1 and y != n - 1) { y = mul(y, y, n); t *= 2; } if (y != n - 1 and t % 2 == 0) return false; } return true; } T pollard_rho(T n) { assert(n >= 2); if (~n & 1) return 2; if (miller_rabin(n)) return n; T R; auto f = [&](T x) { return add(mul(x, x, n), R, n); }; auto rnd_ = [&]() { return rng() % (n - 2) + 2; }; while (true) { T x = 0, y = 0, ys = 0, q = 1; R = rnd_(), y = rnd_(); T g = 1; constexpr int m = 128; for (int r = 1; g == 1; r <<= 1) { x = y; rep(i, r) y = f(y); for (int k = 0; g == 1 and k < r; k += m) { ys = y; for (int i = 0; i < m and i < r - k; ++i) q = mul(q, sub(x, y = f(y), n), n); g = gcd(q, n); } } if (g == n) do g = gcd(sub(x, ys = f(ys), n), n); while (g == 1); if (g != n) return g; } assert(false); } vector factorize(T n) { assert(n >= 2); T p = pollard_rho(n); if (p == n) return {p}; auto l = factorize(p); auto r = factorize(n / p); copy(all(r), back_inserter(l)); return l; } public: constexpr prime() { static_assert(is_same::value or is_same::value); if (is_same::value) as = {2, 7, 61}; else as = {2, 325, 9375, 28178, 450775, 9780504, 1795265022}; } constexpr bool is_prime(T n) { assert(n >= 1); if (n == 1) return false; if (~n & 1) return n == 2; return miller_rabin(n); } map factor_list(T n) { assert(n >= 1); if (n == 1) return {}; map mp; for (T x: factorize(n)) ++mp[x]; return mp; } vector unique_factor(T n) { assert(n >= 1); if (n == 1) return {}; auto res = factorize(n); sort(all(res)); res.erase(unique(all(res)), res.end()); return res; }; T count_divisor(T n) { assert(n >= 1); T res = 1; for (auto p: factor_list(n)) res *= p.second + 1; return res; }; vector enum_divisors(T n) { assert(n >= 1); vector> v; for (auto p: factor_list(n)) v.pb(p); vector res; auto f = [&](auto &f, int i, T x) -> void { if (i == SZ(v)) { res.pb(x); return; } rep(j, v[i].second + 1) { f(f, i + 1, x); if (j == v[i].second) break; x *= v[i].first; } }; f(f, 0, 1); sort(all(res)); return res; } }; int main() { INT(n); LL(m); prime pr; auto mp = pr.factor_list(m); mint ans = 1; for (auto[_, c]: mp) { vvm dp(n + 1, vm(c + 2)); dp[0][0] = 1; rep(i, n) { rep(j, c + 1) { dp[i + 1][0] += dp[i][j]; dp[i + 1][c - j + 1] -= dp[i][j]; } rep(j, c + 1) dp[i + 1][j + 1] += dp[i + 1][j]; } ans *= accumulate(all(dp[n]), mint(0)); } fin(ans); }