2064660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2647}}^1$

素因数の和:2672

約数の個数: 48

約数和(自身を含む): 6228096

約数和(自身を除く): 4163436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2647, 5294, 7941, 10588, 13235, 15882, 26470, 31764, 34411, 39705, 52940, 68822, 79410, 103233, 137644, 158820, 172055, 206466, 344110, 412932, 516165, 688220, 1032330, 2064660]

約数ペア:

[(1, 2064660), (2, 1032330), (3, 688220), (4, 516165), (5, 412932), (6, 344110), (10, 206466), (12, 172055), (13, 158820), (15, 137644), (20, 103233), (26, 79410), (30, 68822), (39, 52940), (52, 39705), (60, 34411), (65, 31764), (78, 26470), (130, 15882), (156, 13235), (195, 10588), (260, 7941), (390, 5294), (780, 2647)]