31081980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{4079}}^1$

素因数の和:4218

約数の個数: 48

約数和(自身を含む): 87736320

約数和(自身を除く): 56654340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 3810, 4079, 7620, 8158, 12237, 16316, 20395, 24474, 40790, 48948, 61185, 81580, 122370, 244740, 518033, 1036066, 1554099, 2072132, 2590165, 3108198, 5180330, 6216396, 7770495, 10360660, 15540990, 31081980]

約数ペア:

[(1, 31081980), (2, 15540990), (3, 10360660), (4, 7770495), (5, 6216396), (6, 5180330), (10, 3108198), (12, 2590165), (15, 2072132), (20, 1554099), (30, 1036066), (60, 518033), (127, 244740), (254, 122370), (381, 81580), (508, 61185), (635, 48948), (762, 40790), (1270, 24474), (1524, 20395), (1905, 16316), (2540, 12237), (3810, 8158), (4079, 7620)]