256220760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2135173}}^1$

素因数の和:2135187

約数の個数: 32

約数和(自身を含む): 768662640

約数和(自身を除く): 512441880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2135173, 4270346, 6405519, 8540692, 10675865, 12811038, 17081384, 21351730, 25622076, 32027595, 42703460, 51244152, 64055190, 85406920, 128110380, 256220760]

約数ペア:

[(1, 256220760), (2, 128110380), (3, 85406920), (4, 64055190), (5, 51244152), (6, 42703460), (8, 32027595), (10, 25622076), (12, 21351730), (15, 17081384), (20, 12811038), (24, 10675865), (30, 8540692), (40, 6405519), (60, 4270346), (120, 2135173)]