import sys

sys.setrecursionlimit(10**6)
int1 = lambda x: int(x)-1
p2D = lambda x: print(*x, sep="\n")
def II(): return int(sys.stdin.buffer.readline())
def LI(): return list(map(int, sys.stdin.buffer.readline().split()))
def LI1(): return list(map(int1, sys.stdin.buffer.readline().split()))
def LLI(rows_number): return [LI() for _ in range(rows_number)]
def LLI1(rows_number): return [LI1() for _ in range(rows_number)]
def BI(): return sys.stdin.buffer.readline().rstrip()
def SI(): return sys.stdin.buffer.readline().rstrip().decode()
# dij = [(0, 1), (-1, 0), (0, -1), (1, 0)]
dij = [(0, 1), (-1, 0), (0, -1), (1, 0), (1, 1), (1, -1), (-1, 1), (-1, -1)]
inf = 10**16
md = 998244353
# md = 10**9+7

def PrimeFactorization(x):
    def plist(x):
        if x < 2: return []
        if x & 1 == 0: return [2] + plist(x >> 1)
        for p in range(3, x + 1, 2):
            if x % p == 0: return [p] + plist(x // p)
            if p ** 2 > x: return [x]

    pl = plist(x)
    pp, ee = [], []
    for p in pl:
        if not pp or p != pp[-1]:
            pp += [p]
            ee += [0]
        ee[-1] += 1
    return pp,ee

n,k,m=LI()
pp,ee=PrimeFactorization(n)
for i in range(len(ee)):ee[i]*=k

def dfs(i=0,s=1):
    if i==len(ee):return 1
    res=0
    if s*pp[i]<=m and ee[i]:
        ee[i]-=1
        res+=dfs(i,s*pp[i])
        ee[i]+=1
    res+=dfs(i+1,s)
    return res

print(dfs())