#include #include #include #include #include #include #include #include #include #include #include using namespace std; /*int p = 998244353;*/ int p = 1000000007; #define int long long #define vel vector #define vvel vector #define rep(i,n) for(int i=0;i #define qin pair #define V vector #define Endl endl #define veb vector #define sq(a) (a)*(a) #define rev(s) reverse(s.begin(),s.end()) #define end_pr(s) cout << s < q; q.push(mid1); while (!q.empty()) { int st = q.front(); q.pop(); rep(i, way[st].size()) { int to = way[st][i]; if (dist[to] == -1) { dist[to] = dist[st] + 1; q.push(to); } } } return dist; } pin most_far(int now, int n, vvel &way) { vel dist1 = dis(now, way); pin ans = mkp(-1, 0); rep(i, n) { if (dist1[i] > ans.first) { ans = mkp(dist1[i], i); } } return ans; } template V uni(V &v) { if (v.size() == 0) { return v; } sor(v); V ans(1, v[0]); for (int i = 1; i < v.size(); i++) { if (v[i] != v[i - 1]) { ans.push_back(v[i]); } } v = ans; return v; } int s_gcd(int a, int b) { if (b == 0) { return a; } return s_gcd(b, a%b); } int gcd(int a, int b) { a = abs(a); b = abs(b); if (a < b) { swap(a, b); } return s_gcd(a, b); } int solve(int sum, int lim) { if (sum <= lim) { return sum - 1; } if (sum > lim * 2) { return 0; } return lim * 2 - sum+1; } signed main() { int n, k; cin >> n >> k; int ans = 0; for (int i = 1; i*i <= k; i++) { if (k%i == 0) { int mi = k / i; if (i == mi) { ans += solve(i, n)*solve(i,n); } else { ans += 2 * solve(i, n)*solve(mi, n); } } } cout << ans << endl; }