19621920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{40879}}^1$

素因数の和:40897

約数の個数: 48

約数和(自身を含む): 61810560

約数和(自身を除く): 42188640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 40879, 81758, 122637, 163516, 204395, 245274, 327032, 408790, 490548, 613185, 654064, 817580, 981096, 1226370, 1308128, 1635160, 1962192, 2452740, 3270320, 3924384, 4905480, 6540640, 9810960, 19621920]

約数ペア:

[(1, 19621920), (2, 9810960), (3, 6540640), (4, 4905480), (5, 3924384), (6, 3270320), (8, 2452740), (10, 1962192), (12, 1635160), (15, 1308128), (16, 1226370), (20, 981096), (24, 817580), (30, 654064), (32, 613185), (40, 490548), (48, 408790), (60, 327032), (80, 245274), (96, 204395), (120, 163516), (160, 122637), (240, 81758), (480, 40879)]