下列Python代码用于寻找1~100之间因数最多的数及其因数，程序本意是factor变量存储形如{6:[1,2,3,6],8: [1,2,4,8]}的字典，代码如下：

factor = {}
for i in range(1,100):
    for j in range(1,i+1):
        if i % j == 0:
            factor[i] = factor.get(i,[]).append(j)
print(max(factor.items()), key = lambda x:len(x[1]))