156941680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{280253}}^1$

素因数の和:280273

約数の個数: 40

約数和(自身を含む): 417017952

約数和(自身を除く): 260076272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 280253, 560506, 1121012, 1401265, 1961771, 2242024, 2802530, 3923542, 4484048, 5605060, 7847084, 9808855, 11210120, 15694168, 19617710, 22420240, 31388336, 39235420, 78470840, 156941680]

約数ペア:

[(1, 156941680), (2, 78470840), (4, 39235420), (5, 31388336), (7, 22420240), (8, 19617710), (10, 15694168), (14, 11210120), (16, 9808855), (20, 7847084), (28, 5605060), (35, 4484048), (40, 3923542), (56, 2802530), (70, 2242024), (80, 1961771), (112, 1401265), (140, 1121012), (280, 560506), (560, 280253)]