121538640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11777}}^1$

素因数の和:11836

約数の個数: 80

約数和(自身を含む): 385564608

約数和(自身を除く): 264025968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 10320, 11777, 23554, 35331, 47108, 58885, 70662, 94216, 117770, 141324, 176655, 188432, 235540, 282648, 353310, 471080, 506411, 565296, 706620, 942160, 1012822, 1413240, 1519233, 2025644, 2532055, 2826480, 3038466, 4051288, 5064110, 6076932, 7596165, 8102576, 10128220, 12153864, 15192330, 20256440, 24307728, 30384660, 40512880, 60769320, 121538640]

約数ペア:

[(1, 121538640), (2, 60769320), (3, 40512880), (4, 30384660), (5, 24307728), (6, 20256440), (8, 15192330), (10, 12153864), (12, 10128220), (15, 8102576), (16, 7596165), (20, 6076932), (24, 5064110), (30, 4051288), (40, 3038466), (43, 2826480), (48, 2532055), (60, 2025644), (80, 1519233), (86, 1413240), (120, 1012822), (129, 942160), (172, 706620), (215, 565296), (240, 506411), (258, 471080), (344, 353310), (430, 282648), (516, 235540), (645, 188432), (688, 176655), (860, 141324), (1032, 117770), (1290, 94216), (1720, 70662), (2064, 58885), (2580, 47108), (3440, 35331), (5160, 23554), (10320, 11777)]