81663480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{226843}}^1$

素因数の和:226860

約数の個数: 48

約数和(自身を含む): 265407480

約数和(自身を除く): 183744000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 226843, 453686, 680529, 907372, 1134215, 1361058, 1814744, 2041587, 2268430, 2722116, 3402645, 4083174, 4536860, 5444232, 6805290, 8166348, 9073720, 10207935, 13610580, 16332696, 20415870, 27221160, 40831740, 81663480]

約数ペア:

[(1, 81663480), (2, 40831740), (3, 27221160), (4, 20415870), (5, 16332696), (6, 13610580), (8, 10207935), (9, 9073720), (10, 8166348), (12, 6805290), (15, 5444232), (18, 4536860), (20, 4083174), (24, 3402645), (30, 2722116), (36, 2268430), (40, 2041587), (45, 1814744), (60, 1361058), (72, 1134215), (90, 907372), (120, 680529), (180, 453686), (360, 226843)]