15758960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:390

約数の個数: 80

約数和(自身を含む): 42425856

約数和(自身を除く): 26666896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 140, 214, 263, 280, 428, 526, 535, 560, 749, 856, 1052, 1070, 1315, 1498, 1712, 1841, 2104, 2140, 2630, 2996, 3682, 3745, 4208, 4280, 5260, 5992, 7364, 7490, 8560, 9205, 10520, 11984, 14728, 14980, 18410, 21040, 28141, 29456, 29960, 36820, 56282, 59920, 73640, 112564, 140705, 147280, 196987, 225128, 281410, 393974, 450256, 562820, 787948, 984935, 1125640, 1575896, 1969870, 2251280, 3151792, 3939740, 7879480, 15758960]

約数ペア:

[(1, 15758960), (2, 7879480), (4, 3939740), (5, 3151792), (7, 2251280), (8, 1969870), (10, 1575896), (14, 1125640), (16, 984935), (20, 787948), (28, 562820), (35, 450256), (40, 393974), (56, 281410), (70, 225128), (80, 196987), (107, 147280), (112, 140705), (140, 112564), (214, 73640), (263, 59920), (280, 56282), (428, 36820), (526, 29960), (535, 29456), (560, 28141), (749, 21040), (856, 18410), (1052, 14980), (1070, 14728), (1315, 11984), (1498, 10520), (1712, 9205), (1841, 8560), (2104, 7490), (2140, 7364), (2630, 5992), (2996, 5260), (3682, 4280), (3745, 4208)]