80507640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{670897}}^1$

素因数の和:670911

約数の個数: 32

約数和(自身を含む): 241523280

約数和(自身を除く): 161015640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 670897, 1341794, 2012691, 2683588, 3354485, 4025382, 5367176, 6708970, 8050764, 10063455, 13417940, 16101528, 20126910, 26835880, 40253820, 80507640]

約数ペア:

[(1, 80507640), (2, 40253820), (3, 26835880), (4, 20126910), (5, 16101528), (6, 13417940), (8, 10063455), (10, 8050764), (12, 6708970), (15, 5367176), (20, 4025382), (24, 3354485), (30, 2683588), (40, 2012691), (60, 1341794), (120, 670897)]