1639459020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{15877}}^1$

素因数の和:17610

約数の個数: 48

約数和(自身を含む): 4593441888

約数和(自身を除く): 2953982868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1721, 3442, 5163, 6884, 8605, 10326, 15877, 17210, 20652, 25815, 31754, 34420, 47631, 51630, 63508, 79385, 95262, 103260, 158770, 190524, 238155, 317540, 476310, 952620, 27324317, 54648634, 81972951, 109297268, 136621585, 163945902, 273243170, 327891804, 409864755, 546486340, 819729510, 1639459020]

約数ペア:

[(1, 1639459020), (2, 819729510), (3, 546486340), (4, 409864755), (5, 327891804), (6, 273243170), (10, 163945902), (12, 136621585), (15, 109297268), (20, 81972951), (30, 54648634), (60, 27324317), (1721, 952620), (3442, 476310), (5163, 317540), (6884, 238155), (8605, 190524), (10326, 158770), (15877, 103260), (17210, 95262), (20652, 79385), (25815, 63508), (31754, 51630), (34420, 47631)]