257045220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1428029}}^1$

素因数の和:1428044

約数の個数: 36

約数和(自身を含む): 779704380

約数和(自身を除く): 522659160

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1428029, 2856058, 4284087, 5712116, 7140145, 8568174, 12852261, 14280290, 17136348, 21420435, 25704522, 28560580, 42840870, 51409044, 64261305, 85681740, 128522610, 257045220]

約数ペア:

[(1, 257045220), (2, 128522610), (3, 85681740), (4, 64261305), (5, 51409044), (6, 42840870), (9, 28560580), (10, 25704522), (12, 21420435), (15, 17136348), (18, 14280290), (20, 12852261), (30, 8568174), (36, 7140145), (45, 5712116), (60, 4284087), (90, 2856058), (180, 1428029)]