135803920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1231}}^1$

素因数の和:1448

約数の個数: 80

約数和(自身を含む): 362976768

約数和(自身を除く): 227172848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 197, 280, 394, 560, 788, 985, 1231, 1379, 1576, 1970, 2462, 2758, 3152, 3940, 4924, 5516, 6155, 6895, 7880, 8617, 9848, 11032, 12310, 13790, 15760, 17234, 19696, 22064, 24620, 27580, 34468, 43085, 49240, 55160, 68936, 86170, 98480, 110320, 137872, 172340, 242507, 344680, 485014, 689360, 970028, 1212535, 1697549, 1940056, 2425070, 3395098, 3880112, 4850140, 6790196, 8487745, 9700280, 13580392, 16975490, 19400560, 27160784, 33950980, 67901960, 135803920]

約数ペア:

[(1, 135803920), (2, 67901960), (4, 33950980), (5, 27160784), (7, 19400560), (8, 16975490), (10, 13580392), (14, 9700280), (16, 8487745), (20, 6790196), (28, 4850140), (35, 3880112), (40, 3395098), (56, 2425070), (70, 1940056), (80, 1697549), (112, 1212535), (140, 970028), (197, 689360), (280, 485014), (394, 344680), (560, 242507), (788, 172340), (985, 137872), (1231, 110320), (1379, 98480), (1576, 86170), (1970, 68936), (2462, 55160), (2758, 49240), (3152, 43085), (3940, 34468), (4924, 27580), (5516, 24620), (6155, 22064), (6895, 19696), (7880, 17234), (8617, 15760), (9848, 13790), (11032, 12310)]