81928620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{455159}}^1$

素因数の和:455174

約数の個数: 36

約数和(自身を含む): 248517360

約数和(自身を除く): 166588740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 455159, 910318, 1365477, 1820636, 2275795, 2730954, 4096431, 4551590, 5461908, 6827385, 8192862, 9103180, 13654770, 16385724, 20482155, 27309540, 40964310, 81928620]

約数ペア:

[(1, 81928620), (2, 40964310), (3, 27309540), (4, 20482155), (5, 16385724), (6, 13654770), (9, 9103180), (10, 8192862), (12, 6827385), (15, 5461908), (18, 4551590), (20, 4096431), (30, 2730954), (36, 2275795), (45, 1820636), (60, 1365477), (90, 910318), (180, 455159)]