840076240

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1\times {\mathrm{379}}^1$

素因数の和:764

約数の個数: 80

約数和(自身を含む): 1984694400

約数和(自身を除く): 1144618160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 269, 379, 412, 515, 538, 758, 824, 1030, 1076, 1345, 1516, 1648, 1895, 2060, 2152, 2690, 3032, 3790, 4120, 4304, 5380, 6064, 7580, 8240, 10760, 15160, 21520, 27707, 30320, 39037, 55414, 78074, 101951, 110828, 138535, 156148, 195185, 203902, 221656, 277070, 312296, 390370, 407804, 443312, 509755, 554140, 624592, 780740, 815608, 1019510, 1108280, 1561480, 1631216, 2039020, 2216560, 3122960, 4078040, 8156080, 10500953, 21001906, 42003812, 52504765, 84007624, 105009530, 168015248, 210019060, 420038120, 840076240]

約数ペア:

[(1, 840076240), (2, 420038120), (4, 210019060), (5, 168015248), (8, 105009530), (10, 84007624), (16, 52504765), (20, 42003812), (40, 21001906), (80, 10500953), (103, 8156080), (206, 4078040), (269, 3122960), (379, 2216560), (412, 2039020), (515, 1631216), (538, 1561480), (758, 1108280), (824, 1019510), (1030, 815608), (1076, 780740), (1345, 624592), (1516, 554140), (1648, 509755), (1895, 443312), (2060, 407804), (2152, 390370), (2690, 312296), (3032, 277070), (3790, 221656), (4120, 203902), (4304, 195185), (5380, 156148), (6064, 138535), (7580, 110828), (8240, 101951), (10760, 78074), (15160, 55414), (21520, 39037), (27707, 30320)]