8686140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2039}}^1$

素因数の和:2122

約数の個数: 48

約数和(自身を含む): 24675840

約数和(自身を除く): 15989700

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, 2039, 2130, 4078, 4260, 6117, 8156, 10195, 12234, 20390, 24468, 30585, 40780, 61170, 122340, 144769, 289538, 434307, 579076, 723845, 868614, 1447690, 1737228, 2171535, 2895380, 4343070, 8686140]

約数ペア:

[(1, 8686140), (2, 4343070), (3, 2895380), (4, 2171535), (5, 1737228), (6, 1447690), (10, 868614), (12, 723845), (15, 579076), (20, 434307), (30, 289538), (60, 144769), (71, 122340), (142, 61170), (213, 40780), (284, 30585), (355, 24468), (426, 20390), (710, 12234), (852, 10195), (1065, 8156), (1420, 6117), (2039, 4260), (2130, 4078)]