1299418280

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1\times {\mathrm{1429}}^1$

素因数の和:1746

約数の個数: 64

約数和(自身を含む): 2965248000

約数和(自身を除く): 1665829720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 179, 254, 358, 508, 635, 716, 895, 1016, 1270, 1429, 1432, 1790, 2540, 2858, 3580, 5080, 5716, 7145, 7160, 11432, 14290, 22733, 28580, 45466, 57160, 90932, 113665, 181483, 181864, 227330, 255791, 362966, 454660, 511582, 725932, 907415, 909320, 1023164, 1278955, 1451864, 1814830, 2046328, 2557910, 3629660, 5115820, 7259320, 10231640, 32485457, 64970914, 129941828, 162427285, 259883656, 324854570, 649709140, 1299418280]

約数ペア:

[(1, 1299418280), (2, 649709140), (4, 324854570), (5, 259883656), (8, 162427285), (10, 129941828), (20, 64970914), (40, 32485457), (127, 10231640), (179, 7259320), (254, 5115820), (358, 3629660), (508, 2557910), (635, 2046328), (716, 1814830), (895, 1451864), (1016, 1278955), (1270, 1023164), (1429, 909320), (1432, 907415), (1790, 725932), (2540, 511582), (2858, 454660), (3580, 362966), (5080, 255791), (5716, 227330), (7145, 181864), (7160, 181483), (11432, 113665), (14290, 90932), (22733, 57160), (28580, 45466)]