15845220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{9781}}^1$

素因数の和:9802

約数の個数: 60

約数和(自身を含む): 49712124

約数和(自身を除く): 33866904

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, 9781, 19562, 29343, 39124, 48905, 58686, 88029, 97810, 117372, 146715, 176058, 195620, 264087, 293430, 352116, 440145, 528174, 586860, 792261, 880290, 1056348, 1320435, 1584522, 1760580, 2640870, 3169044, 3961305, 5281740, 7922610, 15845220]

約数ペア:

[(1, 15845220), (2, 7922610), (3, 5281740), (4, 3961305), (5, 3169044), (6, 2640870), (9, 1760580), (10, 1584522), (12, 1320435), (15, 1056348), (18, 880290), (20, 792261), (27, 586860), (30, 528174), (36, 440145), (45, 352116), (54, 293430), (60, 264087), (81, 195620), (90, 176058), (108, 146715), (135, 117372), (162, 97810), (180, 88029), (270, 58686), (324, 48905), (405, 39124), (540, 29343), (810, 19562), (1620, 9781)]