18015540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4229}}^1$

素因数の和:4312

約数の個数: 48

約数和(自身を含む): 51166080

約数和(自身を除く): 33150540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4229, 4260, 8458, 12687, 16916, 21145, 25374, 42290, 50748, 63435, 84580, 126870, 253740, 300259, 600518, 900777, 1201036, 1501295, 1801554, 3002590, 3603108, 4503885, 6005180, 9007770, 18015540]

約数ペア:

[(1, 18015540), (2, 9007770), (3, 6005180), (4, 4503885), (5, 3603108), (6, 3002590), (10, 1801554), (12, 1501295), (15, 1201036), (20, 900777), (30, 600518), (60, 300259), (71, 253740), (142, 126870), (213, 84580), (284, 63435), (355, 50748), (426, 42290), (710, 25374), (852, 21145), (1065, 16916), (1420, 12687), (2130, 8458), (4229, 4260)]