55440540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{308003}}^1$

素因数の和:308018

約数の個数: 36

約数和(自身を含む): 168170184

約数和(自身を除く): 112729644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 308003, 616006, 924009, 1232012, 1540015, 1848018, 2772027, 3080030, 3696036, 4620045, 5544054, 6160060, 9240090, 11088108, 13860135, 18480180, 27720270, 55440540]

約数ペア:

[(1, 55440540), (2, 27720270), (3, 18480180), (4, 13860135), (5, 11088108), (6, 9240090), (9, 6160060), (10, 5544054), (12, 4620045), (15, 3696036), (18, 3080030), (20, 2772027), (30, 1848018), (36, 1540015), (45, 1232012), (60, 924009), (90, 616006), (180, 308003)]