127034680

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{443}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 293466240

約数和(自身を除く): 166431560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 107, 134, 214, 268, 335, 428, 443, 535, 536, 670, 856, 886, 1070, 1340, 1772, 2140, 2215, 2680, 3544, 4280, 4430, 7169, 8860, 14338, 17720, 28676, 29681, 35845, 47401, 57352, 59362, 71690, 94802, 118724, 143380, 148405, 189604, 237005, 237448, 286760, 296810, 379208, 474010, 593620, 948020, 1187240, 1896040, 3175867, 6351734, 12703468, 15879335, 25406936, 31758670, 63517340, 127034680]

約数ペア:

[(1, 127034680), (2, 63517340), (4, 31758670), (5, 25406936), (8, 15879335), (10, 12703468), (20, 6351734), (40, 3175867), (67, 1896040), (107, 1187240), (134, 948020), (214, 593620), (268, 474010), (335, 379208), (428, 296810), (443, 286760), (535, 237448), (536, 237005), (670, 189604), (856, 148405), (886, 143380), (1070, 118724), (1340, 94802), (1772, 71690), (2140, 59362), (2215, 57352), (2680, 47401), (3544, 35845), (4280, 29681), (4430, 28676), (7169, 17720), (8860, 14338)]