78239220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1303987}}^1$

素因数の和:1303999

約数の個数: 24

約数和(自身を含む): 219069984

約数和(自身を除く): 140830764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1303987, 2607974, 3911961, 5215948, 6519935, 7823922, 13039870, 15647844, 19559805, 26079740, 39119610, 78239220]

約数ペア:

[(1, 78239220), (2, 39119610), (3, 26079740), (4, 19559805), (5, 15647844), (6, 13039870), (10, 7823922), (12, 6519935), (15, 5215948), (20, 3911961), (30, 2607974), (60, 1303987)]