1998960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{8329}}^1$

素因数の和:8345

約数の個数: 40

約数和(自身を含む): 6197520

約数和(自身を除く): 4198560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 8329, 16658, 24987, 33316, 41645, 49974, 66632, 83290, 99948, 124935, 133264, 166580, 199896, 249870, 333160, 399792, 499740, 666320, 999480, 1998960]

約数ペア:

[(1, 1998960), (2, 999480), (3, 666320), (4, 499740), (5, 399792), (6, 333160), (8, 249870), (10, 199896), (12, 166580), (15, 133264), (16, 124935), (20, 99948), (24, 83290), (30, 66632), (40, 49974), (48, 41645), (60, 33316), (80, 24987), (120, 16658), (240, 8329)]