72207080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{433}}^1$

素因数の和:834

約数の個数: 64

約数和(自身を含む): 178113600

約数和(自身を除く): 105906520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 379, 433, 440, 758, 866, 1516, 1732, 1895, 2165, 3032, 3464, 3790, 4169, 4330, 4763, 7580, 8338, 8660, 9526, 15160, 16676, 17320, 19052, 20845, 23815, 33352, 38104, 41690, 47630, 83380, 95260, 164107, 166760, 190520, 328214, 656428, 820535, 1312856, 1641070, 1805177, 3282140, 3610354, 6564280, 7220708, 9025885, 14441416, 18051770, 36103540, 72207080]

約数ペア:

[(1, 72207080), (2, 36103540), (4, 18051770), (5, 14441416), (8, 9025885), (10, 7220708), (11, 6564280), (20, 3610354), (22, 3282140), (40, 1805177), (44, 1641070), (55, 1312856), (88, 820535), (110, 656428), (220, 328214), (379, 190520), (433, 166760), (440, 164107), (758, 95260), (866, 83380), (1516, 47630), (1732, 41690), (1895, 38104), (2165, 33352), (3032, 23815), (3464, 20845), (3790, 19052), (4169, 17320), (4330, 16676), (4763, 15160), (7580, 9526), (8338, 8660)]