161728740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{898493}}^1$

素因数の和:898508

約数の個数: 36

約数和(自身を含む): 490577724

約数和(自身を除く): 328848984

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 898493, 1796986, 2695479, 3593972, 4492465, 5390958, 8086437, 8984930, 10781916, 13477395, 16172874, 17969860, 26954790, 32345748, 40432185, 53909580, 80864370, 161728740]

約数ペア:

[(1, 161728740), (2, 80864370), (3, 53909580), (4, 40432185), (5, 32345748), (6, 26954790), (9, 17969860), (10, 16172874), (12, 13477395), (15, 10781916), (18, 8984930), (20, 8086437), (30, 5390958), (36, 4492465), (45, 3593972), (60, 2695479), (90, 1796986), (180, 898493)]