278740857540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4645680959}}^1$

素因数の和:4645680971

約数の個数: 24

約数和(自身を含む): 780474401280

約数和(自身を除く): 501733543740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4645680959, 9291361918, 13937042877, 18582723836, 23228404795, 27874085754, 46456809590, 55748171508, 69685214385, 92913619180, 139370428770, 278740857540]

約数ペア:

[(1, 278740857540), (2, 139370428770), (3, 92913619180), (4, 69685214385), (5, 55748171508), (6, 46456809590), (10, 27874085754), (12, 23228404795), (15, 18582723836), (20, 13937042877), (30, 9291361918), (60, 4645680959)]