818220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1049}}^1$

素因数の和:1074

約数の個数: 48

約数和(自身を含む): 2469600

約数和(自身を除く): 1651380

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, 1049, 2098, 3147, 4196, 5245, 6294, 10490, 12588, 13637, 15735, 20980, 27274, 31470, 40911, 54548, 62940, 68185, 81822, 136370, 163644, 204555, 272740, 409110, 818220]

約数ペア:

[(1, 818220), (2, 409110), (3, 272740), (4, 204555), (5, 163644), (6, 136370), (10, 81822), (12, 68185), (13, 62940), (15, 54548), (20, 40911), (26, 31470), (30, 27274), (39, 20980), (52, 15735), (60, 13637), (65, 12588), (78, 10490), (130, 6294), (156, 5245), (195, 4196), (260, 3147), (390, 2098), (780, 1049)]