8431380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1511}}^1$

素因数の和:1557

約数の個数: 72

約数和(自身を含む): 26417664

約数和(自身を除く): 17986284

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, 1511, 1860, 2790, 3022, 4533, 5580, 6044, 7555, 9066, 13599, 15110, 18132, 22665, 27198, 30220, 45330, 46841, 54396, 67995, 90660, 93682, 135990, 140523, 187364, 234205, 271980, 281046, 421569, 468410, 562092, 702615, 843138, 936820, 1405230, 1686276, 2107845, 2810460, 4215690, 8431380]

約数ペア:

[(1, 8431380), (2, 4215690), (3, 2810460), (4, 2107845), (5, 1686276), (6, 1405230), (9, 936820), (10, 843138), (12, 702615), (15, 562092), (18, 468410), (20, 421569), (30, 281046), (31, 271980), (36, 234205), (45, 187364), (60, 140523), (62, 135990), (90, 93682), (93, 90660), (124, 67995), (155, 54396), (180, 46841), (186, 45330), (279, 30220), (310, 27198), (372, 22665), (465, 18132), (558, 15110), (620, 13599), (930, 9066), (1116, 7555), (1395, 6044), (1511, 5580), (1860, 4533), (2790, 3022)]