#include using namespace std; struct iofast_t { iofast_t() { ios::sync_with_stdio(false); cin.tie(nullptr); } } iofast; struct uns_t {} uns; template auto vec(Element init, Head arg, Args ...args) { if constexpr (sizeof...(Args) == 0) return std::vector(arg, init); else return std::vector(arg, vec(init, args...)); } template auto vec(uns_t, Head arg, Args ...args) { return vec(Element(), arg, args...); } template > T &chmin(T &l, T r, Compare &&f = less()) { return l = min(l, r, f); } template > T &chmax(T &l, T r, Compare &&f = less()) { return l = max(l, r, f); } #include using mint = atcoder::modint1000000007; int main() { int n, k; cin >> n >> k; auto a = vec(uns, n); for (auto &e : a) cin >> e; set div; for (int64_t i = 1; i <= k / i; ++i) { if (k % i != 0) { continue; } div.insert(i); div.insert(k / i); } auto dp = vec>(uns, n + 1); dp[0][1] = 1; for (int i = 1; i <= n; ++i) { auto v = a[i - 1]; for (auto d : div) { dp[i][d] = dp[i - 1][d] + dp[i - 1][d / gcd(d, v)]; } } cout << dp[n][k].val() << endl; }