257230020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{15149}}^1$

素因数の和:15444

約数の個数: 48

約数和(自身を含む): 722836800

約数和(自身を除く): 465606780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 283, 566, 849, 1132, 1415, 1698, 2830, 3396, 4245, 5660, 8490, 15149, 16980, 30298, 45447, 60596, 75745, 90894, 151490, 181788, 227235, 302980, 454470, 908940, 4287167, 8574334, 12861501, 17148668, 21435835, 25723002, 42871670, 51446004, 64307505, 85743340, 128615010, 257230020]

約数ペア:

[(1, 257230020), (2, 128615010), (3, 85743340), (4, 64307505), (5, 51446004), (6, 42871670), (10, 25723002), (12, 21435835), (15, 17148668), (20, 12861501), (30, 8574334), (60, 4287167), (283, 908940), (566, 454470), (849, 302980), (1132, 227235), (1415, 181788), (1698, 151490), (2830, 90894), (3396, 75745), (4245, 60596), (5660, 45447), (8490, 30298), (15149, 16980)]