81722070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1249}}^1$

素因数の和:1989

約数の個数: 48

約数和(自身を含む): 212940000

約数和(自身を除く): 131217930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 727, 1249, 1454, 2181, 2498, 3635, 3747, 4362, 6245, 6543, 7270, 7494, 10905, 11241, 12490, 13086, 18735, 21810, 22482, 32715, 37470, 56205, 65430, 112410, 908023, 1816046, 2724069, 4540115, 5448138, 8172207, 9080230, 13620345, 16344414, 27240690, 40861035, 81722070]

約数ペア:

[(1, 81722070), (2, 40861035), (3, 27240690), (5, 16344414), (6, 13620345), (9, 9080230), (10, 8172207), (15, 5448138), (18, 4540115), (30, 2724069), (45, 1816046), (90, 908023), (727, 112410), (1249, 65430), (1454, 56205), (2181, 37470), (2498, 32715), (3635, 22482), (3747, 21810), (4362, 18735), (6245, 13086), (6543, 12490), (7270, 11241), (7494, 10905)]