256880453820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4281340897}}^1$

素因数の和:4281340909

約数の個数: 24

約数和(自身を含む): 719265270864

約数和(自身を除く): 462384817044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4281340897, 8562681794, 12844022691, 17125363588, 21406704485, 25688045382, 42813408970, 51376090764, 64220113455, 85626817940, 128440226910, 256880453820]

約数ペア:

[(1, 256880453820), (2, 128440226910), (3, 85626817940), (4, 64220113455), (5, 51376090764), (6, 42813408970), (10, 25688045382), (12, 21406704485), (15, 17125363588), (20, 12844022691), (30, 8562681794), (60, 4281340897)]