1991760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 6350784

約数和(自身を除く): 4359024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 193, 215, 240, 258, 344, 386, 430, 516, 579, 645, 688, 772, 860, 965, 1032, 1158, 1290, 1544, 1720, 1930, 2064, 2316, 2580, 2895, 3088, 3440, 3860, 4632, 5160, 5790, 7720, 8299, 9264, 10320, 11580, 15440, 16598, 23160, 24897, 33196, 41495, 46320, 49794, 66392, 82990, 99588, 124485, 132784, 165980, 199176, 248970, 331960, 398352, 497940, 663920, 995880, 1991760]

約数ペア:

[(1, 1991760), (2, 995880), (3, 663920), (4, 497940), (5, 398352), (6, 331960), (8, 248970), (10, 199176), (12, 165980), (15, 132784), (16, 124485), (20, 99588), (24, 82990), (30, 66392), (40, 49794), (43, 46320), (48, 41495), (60, 33196), (80, 24897), (86, 23160), (120, 16598), (129, 15440), (172, 11580), (193, 10320), (215, 9264), (240, 8299), (258, 7720), (344, 5790), (386, 5160), (430, 4632), (516, 3860), (579, 3440), (645, 3088), (688, 2895), (772, 2580), (860, 2316), (965, 2064), (1032, 1930), (1158, 1720), (1290, 1544)]