//#include #include //#include using namespace std; //using namespace atcoder; typedef long long ll; typedef unsigned int uint; typedef unsigned long long ull; typedef pair p; const int INF = 1e9; const ll LINF = ll(1e18); const int MOD = 1000000007; const double eps = 1e-7; const int dx[4] = {0, 1, 0, -1}, dy[4] = {-1, 0, 1, 0}; const int Dx[8] = {0, 1, 1, 1, 0, -1, -1, -1}, Dy[8] = {-1, -1, 0, 1, 1, 1, 0, -1}; #define yes cout << "Yes" << endl #define YES cout << "YES" << endl #define no cout << "No" << endl #define NO cout << "NO" << endl #define rep(i, n) for (int i = 0; i < n; i++) #define ALL(v) v.begin(), v.end() #define debug(v) \ cout << #v << ":"; \ for (auto x : v) \ { \ cout << x << ' '; \ } \ cout << endl; template bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template bool chmin(T &a, const T &b) { if (b < a) { a = b; return 1; } return 0; } //cout< divisor(ll n) { vector res; for (ll i = 1; i * i <= n; i++) if (n % i == 0) { res.push_back(i); if (i != n / i) res.push_back(n / i); } return res; } int main() { cin.tie(0); ios::sync_with_stdio(false); ll n; cin >> n; n*=n; vector d = divisor(n); sort(ALL(d)); int ans; //debug(d); rep(i, d.size()) { for (int j = i; j < d.size(); j++) { if(n%(d[i]*d[j]))continue; ll b = (d[i]+d[j]); ll c = n/(d[i] * d[j]); ll t= b*b+4*c; if(abs(sqrtl(t)-(ll)sqrtl(t))>eps)continue; ll u = (ll)sqrtl(t); u-=b; if(u<=0||u%2)continue; if (d[j] <= u /2&&(d[i]+d[j]+u/2)*u/2*d[j]*d[i]==n)ans++; //cout << d[i] << " " << d[j] << " " << u / (2 * d[i] * d[j]) << "\n"; } } cout << ans << "\n"; }