640787640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5339897}}^1$

素因数の和:5339911

約数の個数: 32

約数和(自身を含む): 1922363280

約数和(自身を除く): 1281575640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5339897, 10679794, 16019691, 21359588, 26699485, 32039382, 42719176, 53398970, 64078764, 80098455, 106797940, 128157528, 160196910, 213595880, 320393820, 640787640]

約数ペア:

[(1, 640787640), (2, 320393820), (3, 213595880), (4, 160196910), (5, 128157528), (6, 106797940), (8, 80098455), (10, 64078764), (12, 53398970), (15, 42719176), (20, 32039382), (24, 26699485), (30, 21359588), (40, 16019691), (60, 10679794), (120, 5339897)]