def factorization(N):#素因数分解√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])
    if arr==[]:
        arr.append([N, 1])
    return arr #[素因数、個数]
N,K,M = map(int,input().split())
if N == 1:
    print(1)
    exit()
pp = factorization(N)
bb = []
for i in range(len(pp)):
    a,b = pp[i]
    b = min(b*K,30)
    bb.append((a,b))
ans = []
def func(ind,val):
    if ind == len(bb):
        ans.append(val)
        return
    a,b = bb[ind]
    for i in range(b+1):
        if val*(a**i) > M:
            break
        func(ind+1, val*(a**i))
func(0,1)
print(len(ans))