#include using namespace std; #define ALL(x) x.begin(),x.end() #define rep(i,n) for(int i=0;i<(n);i++) #define debug(v) cout<<#v<<":";for(auto x:v){cout<bool chmax(T &a,const T &b){if(abool chmin(T &a,const T &b){if(b ostream &operator<<(ostream &os,const pair&p){ os< ostream &operator<<(ostream &os,const vector&v){ for(int i=0;i<(int)v.size();i++) os< divisor(ll n) { vector ret; for(ll i=1; i*i<=n; i++) { if(n % i == 0) { ret.push_back(i); if(n / i != i) ret.push_back(n/i); } } return ret; } signed main(){ ll n,ans=0;cin>>n; auto v=divisor(n*n); sort(ALL(v)); rep(i,v.size()){ ll x=v[i]; for(int j=i;jn*n) break; for(int k=j;kn*n)break; if(s==n*n)ans++; } } } cout<