131513220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{81181}}^1$

素因数の和:81202

約数の個数: 60

約数和(自身を含む): 412566924

約数和(自身を除く): 281053704

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 81181, 162362, 243543, 324724, 405905, 487086, 730629, 811810, 974172, 1217715, 1461258, 1623620, 2191887, 2435430, 2922516, 3653145, 4383774, 4870860, 6575661, 7306290, 8767548, 10959435, 13151322, 14612580, 21918870, 26302644, 32878305, 43837740, 65756610, 131513220]

約数ペア:

[(1, 131513220), (2, 65756610), (3, 43837740), (4, 32878305), (5, 26302644), (6, 21918870), (9, 14612580), (10, 13151322), (12, 10959435), (15, 8767548), (18, 7306290), (20, 6575661), (27, 4870860), (30, 4383774), (36, 3653145), (45, 2922516), (54, 2435430), (60, 2191887), (81, 1623620), (90, 1461258), (108, 1217715), (135, 974172), (162, 811810), (180, 730629), (270, 487086), (324, 405905), (405, 324724), (540, 243543), (810, 162362), (1620, 81181)]