8981220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{827}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 25316928

約数和(自身を除く): 16335708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 362, 543, 724, 827, 905, 1086, 1654, 1810, 2172, 2481, 2715, 3308, 3620, 4135, 4962, 5430, 8270, 9924, 10860, 12405, 16540, 24810, 49620, 149687, 299374, 449061, 598748, 748435, 898122, 1496870, 1796244, 2245305, 2993740, 4490610, 8981220]

約数ペア:

[(1, 8981220), (2, 4490610), (3, 2993740), (4, 2245305), (5, 1796244), (6, 1496870), (10, 898122), (12, 748435), (15, 598748), (20, 449061), (30, 299374), (60, 149687), (181, 49620), (362, 24810), (543, 16540), (724, 12405), (827, 10860), (905, 9924), (1086, 8270), (1654, 5430), (1810, 4962), (2172, 4135), (2481, 3620), (2715, 3308)]