31236780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{677}}^1\times {\mathrm{769}}^1$

素因数の和:1458

約数の個数: 48

約数和(自身を含む): 87706080

約数和(自身を除く): 56469300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 677, 769, 1354, 1538, 2031, 2307, 2708, 3076, 3385, 3845, 4062, 4614, 6770, 7690, 8124, 9228, 10155, 11535, 13540, 15380, 20310, 23070, 40620, 46140, 520613, 1041226, 1561839, 2082452, 2603065, 3123678, 5206130, 6247356, 7809195, 10412260, 15618390, 31236780]

約数ペア:

[(1, 31236780), (2, 15618390), (3, 10412260), (4, 7809195), (5, 6247356), (6, 5206130), (10, 3123678), (12, 2603065), (15, 2082452), (20, 1561839), (30, 1041226), (60, 520613), (677, 46140), (769, 40620), (1354, 23070), (1538, 20310), (2031, 15380), (2307, 13540), (2708, 11535), (3076, 10155), (3385, 9228), (3845, 8124), (4062, 7690), (4614, 6770)]