30501320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{557}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 70659540

約数和(自身を除く): 40158220

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 557, 740, 1114, 1369, 1480, 2228, 2738, 2785, 4456, 5476, 5570, 6845, 10952, 11140, 13690, 20609, 22280, 27380, 41218, 54760, 82436, 103045, 164872, 206090, 412180, 762533, 824360, 1525066, 3050132, 3812665, 6100264, 7625330, 15250660, 30501320]

約数ペア:

[(1, 30501320), (2, 15250660), (4, 7625330), (5, 6100264), (8, 3812665), (10, 3050132), (20, 1525066), (37, 824360), (40, 762533), (74, 412180), (148, 206090), (185, 164872), (296, 103045), (370, 82436), (557, 54760), (740, 41218), (1114, 27380), (1369, 22280), (1480, 20609), (2228, 13690), (2738, 11140), (2785, 10952), (4456, 6845), (5476, 5570)]