8431740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 25836720

約数和(自身を除く): 17404980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 337, 417, 556, 674, 695, 834, 1011, 1251, 1348, 1390, 1668, 1685, 2022, 2085, 2502, 2780, 3033, 3370, 4044, 4170, 5004, 5055, 6066, 6255, 6740, 8340, 10110, 12132, 12510, 15165, 20220, 25020, 30330, 46843, 60660, 93686, 140529, 187372, 234215, 281058, 421587, 468430, 562116, 702645, 843174, 936860, 1405290, 1686348, 2107935, 2810580, 4215870, 8431740]

約数ペア:

[(1, 8431740), (2, 4215870), (3, 2810580), (4, 2107935), (5, 1686348), (6, 1405290), (9, 936860), (10, 843174), (12, 702645), (15, 562116), (18, 468430), (20, 421587), (30, 281058), (36, 234215), (45, 187372), (60, 140529), (90, 93686), (139, 60660), (180, 46843), (278, 30330), (337, 25020), (417, 20220), (556, 15165), (674, 12510), (695, 12132), (834, 10110), (1011, 8340), (1251, 6740), (1348, 6255), (1390, 6066), (1668, 5055), (1685, 5004), (2022, 4170), (2085, 4044), (2502, 3370), (2780, 3033)]