251875620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45139}}^1$

素因数の和:45185

約数の個数: 72

約数和(自身を含む): 788686080

約数和(自身を除く): 536810460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 45139, 90278, 135417, 180556, 225695, 270834, 406251, 451390, 541668, 677085, 812502, 902780, 1354170, 1399309, 1625004, 2031255, 2708340, 2798618, 4062510, 4197927, 5597236, 6996545, 8125020, 8395854, 12593781, 13993090, 16791708, 20989635, 25187562, 27986180, 41979270, 50375124, 62968905, 83958540, 125937810, 251875620]

約数ペア:

[(1, 251875620), (2, 125937810), (3, 83958540), (4, 62968905), (5, 50375124), (6, 41979270), (9, 27986180), (10, 25187562), (12, 20989635), (15, 16791708), (18, 13993090), (20, 12593781), (30, 8395854), (31, 8125020), (36, 6996545), (45, 5597236), (60, 4197927), (62, 4062510), (90, 2798618), (93, 2708340), (124, 2031255), (155, 1625004), (180, 1399309), (186, 1354170), (279, 902780), (310, 812502), (372, 677085), (465, 541668), (558, 451390), (620, 406251), (930, 270834), (1116, 225695), (1395, 180556), (1860, 135417), (2790, 90278), (5580, 45139)]