80819220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1346987}}^1$

素因数の和:1346999

約数の個数: 24

約数和(自身を含む): 226293984

約数和(自身を除く): 145474764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1346987, 2693974, 4040961, 5387948, 6734935, 8081922, 13469870, 16163844, 20204805, 26939740, 40409610, 80819220]

約数ペア:

[(1, 80819220), (2, 40409610), (3, 26939740), (4, 20204805), (5, 16163844), (6, 13469870), (10, 8081922), (12, 6734935), (15, 5387948), (20, 4040961), (30, 2693974), (60, 1346987)]