80668620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{448159}}^1$

素因数の和:448174

約数の個数: 36

約数和(自身を含む): 244695360

約数和(自身を除く): 164026740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 448159, 896318, 1344477, 1792636, 2240795, 2688954, 4033431, 4481590, 5377908, 6722385, 8066862, 8963180, 13444770, 16133724, 20167155, 26889540, 40334310, 80668620]

約数ペア:

[(1, 80668620), (2, 40334310), (3, 26889540), (4, 20167155), (5, 16133724), (6, 13444770), (9, 8963180), (10, 8066862), (12, 6722385), (15, 5377908), (18, 4481590), (20, 4033431), (30, 2688954), (36, 2240795), (45, 1792636), (60, 1344477), (90, 896318), (180, 448159)]