def prime_factorize(N): #素因数分解
    exponent = 0
    while N%2 == 0:
        exponent += 1
        N //= 2
    if exponent: factorization = [[2,exponent*k]]
    else: factorization = []
    i=1
    while i*i <=N:
        i += 2
        if N%i: continue
        exponent = 0
        while N%i == 0:
            exponent += 1
            N //= i
        factorization.append([i,exponent*k])
    if N!= 1: factorization.append([N,k])
    assert N != 0, "zero"
    return factorization

n,k,m = map(int,input().split())
fac = prime_factorize(n)

L = len(fac)
ans = 0
def dfs(x,i):
    global ans
    if i >= L:
        ans += 1
        return
    p,c = fac[i]
    while x <= m and c >= 0:
        dfs(x,i+1)
        x *= p
        c -= 1

dfs(1,0)
print(ans)