81673080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{829}}^1$

素因数の和:1664

約数の個数: 64

約数和(自身を含む): 245613600

約数和(自身を除く): 163940520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 821, 829, 1642, 1658, 2463, 2487, 3284, 3316, 4105, 4145, 4926, 4974, 6568, 6632, 8210, 8290, 9852, 9948, 12315, 12435, 16420, 16580, 19704, 19896, 24630, 24870, 32840, 33160, 49260, 49740, 98520, 99480, 680609, 1361218, 2041827, 2722436, 3403045, 4083654, 5444872, 6806090, 8167308, 10209135, 13612180, 16334616, 20418270, 27224360, 40836540, 81673080]

約数ペア:

[(1, 81673080), (2, 40836540), (3, 27224360), (4, 20418270), (5, 16334616), (6, 13612180), (8, 10209135), (10, 8167308), (12, 6806090), (15, 5444872), (20, 4083654), (24, 3403045), (30, 2722436), (40, 2041827), (60, 1361218), (120, 680609), (821, 99480), (829, 98520), (1642, 49740), (1658, 49260), (2463, 33160), (2487, 32840), (3284, 24870), (3316, 24630), (4105, 19896), (4145, 19704), (4926, 16580), (4974, 16420), (6568, 12435), (6632, 12315), (8210, 9948), (8290, 9852)]