127776560

素因数分解:

$2^4\times 5^1\times {\mathrm{733}}^1\times {\mathrm{2179}}^1$

素因数の和:2925

約数の個数: 40

約数和(自身を含む): 297622320

約数和(自身を除く): 169845760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 733, 1466, 2179, 2932, 3665, 4358, 5864, 7330, 8716, 10895, 11728, 14660, 17432, 21790, 29320, 34864, 43580, 58640, 87160, 174320, 1597207, 3194414, 6388828, 7986035, 12777656, 15972070, 25555312, 31944140, 63888280, 127776560]

約数ペア:

[(1, 127776560), (2, 63888280), (4, 31944140), (5, 25555312), (8, 15972070), (10, 12777656), (16, 7986035), (20, 6388828), (40, 3194414), (80, 1597207), (733, 174320), (1466, 87160), (2179, 58640), (2932, 43580), (3665, 34864), (4358, 29320), (5864, 21790), (7330, 17432), (8716, 14660), (10895, 11728)]