#include // c #include // io #include #include #include #include // container #include #include #include #include #include #include #include // other #include #include #include #include #include using namespace std; typedef long long ll;typedef unsigned long long ull;typedef long double ld; #define ALL(c) c.begin(),c.end() #define IN(l,v,r) (l<=v && v < r) template void UNIQUE(T& v){v.erase(unique(ALL(v)),v.end());} //debug== #define DUMP(x) cerr << #x <<" = " << (x) #define LINE() cerr<< " (L" << __LINE__ << ")" struct range{ struct Iter{ int v,step; Iter& operator++(){v+=step;return *this;} bool operator!=(Iter& itr){return vitr.v;} int& operator*(){return v;} }; Iter i, n; rrange(int i, int n,int step):i({i-1,step}), n({n-1,step}){} rrange(int i, int n):rrange(i,n,1){} rrange(int n) :rrange(0,n){} Iter& begin(){return n;} Iter& end(){return i;} }; //input template istream& operator >> (istream& is,pair& p){return is>>p.first>>p.second;} template istream& operator >> (istream& is,tuple& t){return is >> get<0>(t);} template istream& operator >> (istream& is,tuple& t){return is >> get<0>(t) >> get<1>(t);} template istream& operator >> (istream& is,tuple& t){return is >>get<0>(t)>>get<1>(t)>>get<2>(t);} template istream& operator >> (istream& is,tuple& t){return is >> get<0>(t)>>get<1>(t)>>get<2>(t)>>get<3>(t);} template istream& operator >> (istream& is,vector& as){for(int i:range(as.size()))is >>as[i];return is;} //output template ostream& operator << (ostream& os, const set& ss){for(auto a:ss){if(a!=ss.begin())os<<" "; os< ostream& operator << (ostream& os, const pair& p){return os< ostream& operator << (ostream& os, const map& m){bool isF=true;for(auto& p:m){if(!isF)os< ostream& operator << (ostream& os, const tuple& t){return os << get<0>(t);} template ostream& operator << (ostream& os, const tuple& t){return os << get<0>(t)<<" "<(t);} template ostream& operator << (ostream& os, const tuple& t){return os << get<0>(t)<<" "<(t)<<" "<(t);} template ostream& operator << (ostream& os, const tuple& t){return os << get<0>(t)<<" "<(t)<<" "<(t)<<" "<(t);} template ostream& operator << (ostream& os, const vector& as){for(int i:range(as.size())){if(i!=0)os<<" "; os< ostream& operator << (ostream& os, const vector>& as){for(int i:range(as.size())){if(i!=0)os< inline T INF(){assert(false);}; template<> inline int INF(){return 1<<28;}; template<> inline ll INF(){return 1LL<<60;}; template<> inline double INF(){return 1e16;}; template<> inline long double INF(){return 1e16;}; template inline T EPS(){assert(false);}; template<> inline int EPS(){return 1;}; template<> inline ll EPS(){return 1LL;}; template<> inline double EPS(){return 1e-12;}; template<> inline long double EPS(){return 1e-12;}; // min{2^r | n < 2^r} template inline T upper_pow2(T n){ T res=1;while(res inline T msb(T n){ int d=62;while((1LL<n)d--;return d;} class Main{ public: vector ps; vector pc; int dfs(int N,int X,int PX,int V,int pi,int rest){ if(N == 0) return X == 1; if(pow((ll)V,(N-1)) > X) return 0; if(V * rest < PX) return 0; if(pi == pc.size()){ if(PX <= V) return dfs(N-1,X,V,1,0,X); return 0; } int res = 0; if(pc[pi] > 0){ pc[pi]--; res += dfs(N,X/ps[pi],PX,V*ps[pi],pi,rest/ps[pi]); pc[pi]++; } res += dfs(N,X,PX,V,pi+1,rest/pow(ps[pi],pc[pi])); return res; } void run(){ int N;int X; cin >> N >> X; X++; { ll _X = X; for(int p = 2;p*p<=_X;p++){ int c = 0; while(_X%p==0) c++,_X/=p; if(c > 0){ ps.push_back(p); pc.push_back(c); } } if(_X!=1){ ps.push_back(_X); pc.push_back(1); } } cout << dfs(N,X,2,1,0,X) << endl; } }; int main(){ cout <