210812560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{773}}^1$

素因数の和:1280

約数の個数: 80

約数和(自身を含む): 562035456

約数和(自身を除く): 351222896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 487, 560, 773, 974, 1546, 1948, 2435, 3092, 3409, 3865, 3896, 4870, 5411, 6184, 6818, 7730, 7792, 9740, 10822, 12368, 13636, 15460, 17045, 19480, 21644, 27055, 27272, 30920, 34090, 38960, 43288, 54110, 54544, 61840, 68180, 86576, 108220, 136360, 216440, 272720, 376451, 432880, 752902, 1505804, 1882255, 2635157, 3011608, 3764510, 5270314, 6023216, 7529020, 10540628, 13175785, 15058040, 21081256, 26351570, 30116080, 42162512, 52703140, 105406280, 210812560]

約数ペア:

[(1, 210812560), (2, 105406280), (4, 52703140), (5, 42162512), (7, 30116080), (8, 26351570), (10, 21081256), (14, 15058040), (16, 13175785), (20, 10540628), (28, 7529020), (35, 6023216), (40, 5270314), (56, 3764510), (70, 3011608), (80, 2635157), (112, 1882255), (140, 1505804), (280, 752902), (487, 432880), (560, 376451), (773, 272720), (974, 216440), (1546, 136360), (1948, 108220), (2435, 86576), (3092, 68180), (3409, 61840), (3865, 54544), (3896, 54110), (4870, 43288), (5411, 38960), (6184, 34090), (6818, 30920), (7730, 27272), (7792, 27055), (9740, 21644), (10822, 19480), (12368, 17045), (13636, 15460)]