#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")

#include <bits/stdc++.h>
using namespace std;
using ll = unsigned long long;
#define rep(i, srt, end) for (long long i = (srt); i < (long long)(end); i++)

ll n, k;

ll dfs(ll i, ll p) {
    ll res = 1;
    rep(j, i+1, n+1) {
        if(p * j > k) break;
        res += dfs(j, p * j);
    }
    return res;
};

void solve() {
    cin >> n >> k;
    ll ans = dfs(0, 1);
    cout << ans << endl;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    solve();
    return 0;
}