156979480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{560641}}^1$

素因数の和:560659

約数の個数: 32

約数和(自身を含む): 403662240

約数和(自身を除く): 246682760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 560641, 1121282, 2242564, 2803205, 3924487, 4485128, 5606410, 7848974, 11212820, 15697948, 19622435, 22425640, 31395896, 39244870, 78489740, 156979480]

約数ペア:

[(1, 156979480), (2, 78489740), (4, 39244870), (5, 31395896), (7, 22425640), (8, 19622435), (10, 15697948), (14, 11212820), (20, 7848974), (28, 5606410), (35, 4485128), (40, 3924487), (56, 2803205), (70, 2242564), (140, 1121282), (280, 560641)]