85072020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{821}}^1$

素因数の和:1001

約数の個数: 96

約数和(自身を含む): 261830016

約数和(自身を除く): 176757996

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 157, 165, 220, 314, 330, 471, 628, 660, 785, 821, 942, 1570, 1642, 1727, 1884, 2355, 2463, 3140, 3284, 3454, 4105, 4710, 4926, 5181, 6908, 8210, 8635, 9031, 9420, 9852, 10362, 12315, 16420, 17270, 18062, 20724, 24630, 25905, 27093, 34540, 36124, 45155, 49260, 51810, 54186, 90310, 103620, 108372, 128897, 135465, 180620, 257794, 270930, 386691, 515588, 541860, 644485, 773382, 1288970, 1417867, 1546764, 1933455, 2577940, 2835734, 3866910, 4253601, 5671468, 7089335, 7733820, 8507202, 14178670, 17014404, 21268005, 28357340, 42536010, 85072020]

約数ペア:

[(1, 85072020), (2, 42536010), (3, 28357340), (4, 21268005), (5, 17014404), (6, 14178670), (10, 8507202), (11, 7733820), (12, 7089335), (15, 5671468), (20, 4253601), (22, 3866910), (30, 2835734), (33, 2577940), (44, 1933455), (55, 1546764), (60, 1417867), (66, 1288970), (110, 773382), (132, 644485), (157, 541860), (165, 515588), (220, 386691), (314, 270930), (330, 257794), (471, 180620), (628, 135465), (660, 128897), (785, 108372), (821, 103620), (942, 90310), (1570, 54186), (1642, 51810), (1727, 49260), (1884, 45155), (2355, 36124), (2463, 34540), (3140, 27093), (3284, 25905), (3454, 24630), (4105, 20724), (4710, 18062), (4926, 17270), (5181, 16420), (6908, 12315), (8210, 10362), (8635, 9852), (9031, 9420)]