80005140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{444473}}^1$

素因数の和:444488

約数の個数: 36

約数和(自身を含む): 242682804

約数和(自身を除く): 162677664

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 444473, 888946, 1333419, 1777892, 2222365, 2666838, 4000257, 4444730, 5333676, 6667095, 8000514, 8889460, 13334190, 16001028, 20001285, 26668380, 40002570, 80005140]

約数ペア:

[(1, 80005140), (2, 40002570), (3, 26668380), (4, 20001285), (5, 16001028), (6, 13334190), (9, 8889460), (10, 8000514), (12, 6667095), (15, 5333676), (18, 4444730), (20, 4000257), (30, 2666838), (36, 2222365), (45, 1777892), (60, 1333419), (90, 888946), (180, 444473)]