import sys
sys.setrecursionlimit(200000)

input = lambda: sys.stdin.readline().strip()

def counter(S, N):
    return max(0, min(S - 1, min(S - 1, 2 * N - S + 1)))

def main():
    n = int(input())
    k = int(input())

    divs = []
    for i in range(2, int(k ** 0.5) + 1):
        if k % i == 0:
            divs.append((i, k // i))
    
    # print(divs)
    ans = 0
    for i, j in divs:
        ii = counter(i, n)
        jj = counter(j, n)
        # print(ii, jj)
        ans += ii * jj
        if i != j:
            ans += ii * jj
    
    print(ans)

if __name__ == "__main__":
    main()