128455620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{49789}}^1$

素因数の和:49844

約数の個数: 48

約数和(自身を含む): 368047680

約数和(自身を除く): 239592060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 49789, 99578, 149367, 199156, 248945, 298734, 497890, 597468, 746835, 995780, 1493670, 2140927, 2987340, 4281854, 6422781, 8563708, 10704635, 12845562, 21409270, 25691124, 32113905, 42818540, 64227810, 128455620]

約数ペア:

[(1, 128455620), (2, 64227810), (3, 42818540), (4, 32113905), (5, 25691124), (6, 21409270), (10, 12845562), (12, 10704635), (15, 8563708), (20, 6422781), (30, 4281854), (43, 2987340), (60, 2140927), (86, 1493670), (129, 995780), (172, 746835), (215, 597468), (258, 497890), (430, 298734), (516, 248945), (645, 199156), (860, 149367), (1290, 99578), (2580, 49789)]