156878960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{613}}^1$

素因数の和:1090

約数の個数: 80

約数和(自身を含む): 418443456

約数和(自身を除く): 261564496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 457, 560, 613, 914, 1226, 1828, 2285, 2452, 3065, 3199, 3656, 4291, 4570, 4904, 6130, 6398, 7312, 8582, 9140, 9808, 12260, 12796, 15995, 17164, 18280, 21455, 24520, 25592, 31990, 34328, 36560, 42910, 49040, 51184, 63980, 68656, 85820, 127960, 171640, 255920, 280141, 343280, 560282, 1120564, 1400705, 1960987, 2241128, 2801410, 3921974, 4482256, 5602820, 7843948, 9804935, 11205640, 15687896, 19609870, 22411280, 31375792, 39219740, 78439480, 156878960]

約数ペア:

[(1, 156878960), (2, 78439480), (4, 39219740), (5, 31375792), (7, 22411280), (8, 19609870), (10, 15687896), (14, 11205640), (16, 9804935), (20, 7843948), (28, 5602820), (35, 4482256), (40, 3921974), (56, 2801410), (70, 2241128), (80, 1960987), (112, 1400705), (140, 1120564), (280, 560282), (457, 343280), (560, 280141), (613, 255920), (914, 171640), (1226, 127960), (1828, 85820), (2285, 68656), (2452, 63980), (3065, 51184), (3199, 49040), (3656, 42910), (4291, 36560), (4570, 34328), (4904, 31990), (6130, 25592), (6398, 24520), (7312, 21455), (8582, 18280), (9140, 17164), (9808, 15995), (12260, 12796)]