80528880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{797}}^1$

素因数の和:1234

約数の個数: 80

約数和(自身を含む): 250546464

約数和(自身を除く): 170017584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 421, 797, 842, 1263, 1594, 1684, 2105, 2391, 2526, 3188, 3368, 3985, 4210, 4782, 5052, 6315, 6376, 6736, 7970, 8420, 9564, 10104, 11955, 12630, 12752, 15940, 16840, 19128, 20208, 23910, 25260, 31880, 33680, 38256, 47820, 50520, 63760, 95640, 101040, 191280, 335537, 671074, 1006611, 1342148, 1677685, 2013222, 2684296, 3355370, 4026444, 5033055, 5368592, 6710740, 8052888, 10066110, 13421480, 16105776, 20132220, 26842960, 40264440, 80528880]

約数ペア:

[(1, 80528880), (2, 40264440), (3, 26842960), (4, 20132220), (5, 16105776), (6, 13421480), (8, 10066110), (10, 8052888), (12, 6710740), (15, 5368592), (16, 5033055), (20, 4026444), (24, 3355370), (30, 2684296), (40, 2013222), (48, 1677685), (60, 1342148), (80, 1006611), (120, 671074), (240, 335537), (421, 191280), (797, 101040), (842, 95640), (1263, 63760), (1594, 50520), (1684, 47820), (2105, 38256), (2391, 33680), (2526, 31880), (3188, 25260), (3368, 23910), (3985, 20208), (4210, 19128), (4782, 16840), (5052, 15940), (6315, 12752), (6376, 12630), (6736, 11955), (7970, 10104), (8420, 9564)]