N,K = map(int,input().split())
assert 1<=N<=200
assert 1<=K<=10**10
M = min(K,int(K**.5)+1)

a,A = [1]*(M+1),[1]*(M+1)

def cum(i):
    if 1<=i<=M:
        return A[i]
    return a[K//i]

for n in range(1,N+1):
    for i in range(1,M+1):
        A[i] += cum(i*n)
    for i in range(M,n-1,-1):
        a[i] += a[i//n]

print((A[1]-1))