Общие множители

"""
final version
"""

from functools import reduce

def common_factors(*args):
    result = []
    for arg in args:
        result.append([x for x in range(1, arg) if arg % x == 0])
    return sorted(list(reduce(lambda x,y: set(x) & set(y), result)))


"""
version 2
"""

import time
from functools import reduce

def factor(arg):
    result=[]
    for x in range(1,arg+1):
        if arg % x == 0:
            result.append(x)
    return set(result)

def common_factor(func, *a):
    arr=list(map(func, a))
    return list(reduce((lambda x,y: x & y), arr))


"""
version 1 (for noobs)
"""

def f(a):
    m=[]
    A=a+1
    div=list(range(1,A))
    for x in div:
        if a%x==0:
            m+=[x]
    return m

def F(*b):
    L=[]
    for x in b:
        L+=[f(x)]
    return L

def func(L):
    if len(L)==1:
        return L
    q=len(L)-1
    x=list(set(L[q])&set(L[q-1]))
    return func(L[:-2]+[x])

print(func(F(50,40,60)))