30881160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{85781}}^1$

素因数の和:85798

約数の個数: 48

約数和(自身を含む): 100364940

約数和(自身を除く): 69483780

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, 85781, 171562, 257343, 343124, 428905, 514686, 686248, 772029, 857810, 1029372, 1286715, 1544058, 1715620, 2058744, 2573430, 3088116, 3431240, 3860145, 5146860, 6176232, 7720290, 10293720, 15440580, 30881160]

約数ペア:

[(1, 30881160), (2, 15440580), (3, 10293720), (4, 7720290), (5, 6176232), (6, 5146860), (8, 3860145), (9, 3431240), (10, 3088116), (12, 2573430), (15, 2058744), (18, 1715620), (20, 1544058), (24, 1286715), (30, 1029372), (36, 857810), (40, 772029), (45, 686248), (60, 514686), (72, 428905), (90, 343124), (120, 257343), (180, 171562), (360, 85781)]