156655240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{559483}}^1$

素因数の和:559501

約数の個数: 32

約数和(自身を含む): 402828480

約数和(自身を除く): 246173240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 559483, 1118966, 2237932, 2797415, 3916381, 4475864, 5594830, 7832762, 11189660, 15665524, 19581905, 22379320, 31331048, 39163810, 78327620, 156655240]

約数ペア:

[(1, 156655240), (2, 78327620), (4, 39163810), (5, 31331048), (7, 22379320), (8, 19581905), (10, 15665524), (14, 11189660), (20, 7832762), (28, 5594830), (35, 4475864), (40, 3916381), (56, 2797415), (70, 2237932), (140, 1118966), (280, 559483)]