def factorization(n):
    arr = []
    temp = n
    for i in range(2, int(-(-n**0.5//1))+1):
        if temp%i==0:
            cnt=0
            while temp%i==0:
                cnt+=1
                temp //= i
            arr.append([i, cnt])

    if temp!=1:
        arr.append([temp, 1])

    return arr

def dfs(c, val):
    global ans
    if c == num:
        if val <= M:
            ans += 1
        return
    for j in range(L[c]):
        now = val * A[c] ** j
        if now > M:
            return 
        dfs(c + 1, now)     
    return 
     
    


N, K, M = map(int, input().split())
L, A = [], []

val = 1
maxv = 1
for a, b in factorization(N):
    v, cnt = 1, 0
    while v <= M:
        v *= a
        cnt += 1
    cnt -= 1
    L.append(min(b * K, cnt) + 1)
    A.append(a)
    val = min(b * K, cnt)

num = len(A)
ans = 0
dfs(0, 1)
print(ans)