327872220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{420349}}^1$

素因数の和:420374

約数の個数: 48

約数和(自身を含む): 988663200

約数和(自身を除く): 660790980

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, 420349, 840698, 1261047, 1681396, 2101745, 2522094, 4203490, 5044188, 5464537, 6305235, 8406980, 10929074, 12610470, 16393611, 21858148, 25220940, 27322685, 32787222, 54645370, 65574444, 81968055, 109290740, 163936110, 327872220]

約数ペア:

[(1, 327872220), (2, 163936110), (3, 109290740), (4, 81968055), (5, 65574444), (6, 54645370), (10, 32787222), (12, 27322685), (13, 25220940), (15, 21858148), (20, 16393611), (26, 12610470), (30, 10929074), (39, 8406980), (52, 6305235), (60, 5464537), (65, 5044188), (78, 4203490), (130, 2522094), (156, 2101745), (195, 1681396), (260, 1261047), (390, 840698), (780, 420349)]