## https://yukicoder.me/problems/no/864 

import math

def solve1(N, p):
    min_a1 = 1
    max_a1 = N

    min_a2 = p - N
    max_a2 = p - 1

    min_a = max(min_a1, min_a2)
    max_a = min(max_a1, max_a2)
    return max(0, max_a - min_a + 1)


def solve(N, p, q):
    a1 = solve1(N, p)
    a2 = solve1(N, q)
    return a1 * a2



def main():
    N = int(input())
    K = int(input())

    answer = 0
    sqrt_k = int(math.sqrt(K))
    for p in range(1, sqrt_k + 1):
        if K % p == 0:
            q = K // p
            a1 = solve(N, p, q)
            answer += a1
            if q != p:
                a2 = solve(N, q, p)
                answer += a2

    print(answer)



if __name__ == "__main__":
    main()