#include <bits/stdc++.h>
using namespace std;
int main(){
  long long N;
  cin >> N;
  long long ans = 0;
  for (__int128 A = 1; A <= N; A++){
    for (__int128 B = A; B <= N; B++){
      __int128 p = (A + B + B) * A * B * B;
      if (p > N * N){
        break;
      }
      __int128 fv = N + 1;
      __int128 tv = B;
      while (fv - tv > 1){
        __int128 mid = (tv + fv) / 2;
        if ((A + B + mid) * A * B * mid > N * N){
          fv = mid;
        } else {
          tv = mid;
        }
      }
      if ((A + B + tv) * A * B * tv == N * N){
        ans++;
      }
    }
  }
  cout << ans << endl;
}