399873840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{967}}^1\times {\mathrm{1723}}^1$

素因数の和:2706

約数の個数: 80

約数和(自身を含む): 1241611008

約数和(自身を除く): 841737168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 967, 1723, 1934, 2901, 3446, 3868, 4835, 5169, 5802, 6892, 7736, 8615, 9670, 10338, 11604, 13784, 14505, 15472, 17230, 19340, 20676, 23208, 25845, 27568, 29010, 34460, 38680, 41352, 46416, 51690, 58020, 68920, 77360, 82704, 103380, 116040, 137840, 206760, 232080, 413520, 1666141, 3332282, 4998423, 6664564, 8330705, 9996846, 13329128, 16661410, 19993692, 24992115, 26658256, 33322820, 39987384, 49984230, 66645640, 79974768, 99968460, 133291280, 199936920, 399873840]

約数ペア:

[(1, 399873840), (2, 199936920), (3, 133291280), (4, 99968460), (5, 79974768), (6, 66645640), (8, 49984230), (10, 39987384), (12, 33322820), (15, 26658256), (16, 24992115), (20, 19993692), (24, 16661410), (30, 13329128), (40, 9996846), (48, 8330705), (60, 6664564), (80, 4998423), (120, 3332282), (240, 1666141), (967, 413520), (1723, 232080), (1934, 206760), (2901, 137840), (3446, 116040), (3868, 103380), (4835, 82704), (5169, 77360), (5802, 68920), (6892, 58020), (7736, 51690), (8615, 46416), (9670, 41352), (10338, 38680), (11604, 34460), (13784, 29010), (14505, 27568), (15472, 25845), (17230, 23208), (19340, 20676)]