128214540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{712303}}^1$

素因数の和:712318

約数の個数: 36

約数和(自身を含む): 388917984

約数和(自身を除く): 260703444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 712303, 1424606, 2136909, 2849212, 3561515, 4273818, 6410727, 7123030, 8547636, 10684545, 12821454, 14246060, 21369090, 25642908, 32053635, 42738180, 64107270, 128214540]

約数ペア:

[(1, 128214540), (2, 64107270), (3, 42738180), (4, 32053635), (5, 25642908), (6, 21369090), (9, 14246060), (10, 12821454), (12, 10684545), (15, 8547636), (18, 7123030), (20, 6410727), (30, 4273818), (36, 3561515), (45, 2849212), (60, 2136909), (90, 1424606), (180, 712303)]