320417820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1780099}}^1$

素因数の和:1780114

約数の個数: 36

約数和(自身を含む): 971934600

約数和(自身を除く): 651516780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1780099, 3560198, 5340297, 7120396, 8900495, 10680594, 16020891, 17800990, 21361188, 26701485, 32041782, 35601980, 53402970, 64083564, 80104455, 106805940, 160208910, 320417820]

約数ペア:

[(1, 320417820), (2, 160208910), (3, 106805940), (4, 80104455), (5, 64083564), (6, 53402970), (9, 35601980), (10, 32041782), (12, 26701485), (15, 21361188), (18, 17800990), (20, 16020891), (30, 10680594), (36, 8900495), (45, 7120396), (60, 5340297), (90, 3560198), (180, 1780099)]