51688620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{287159}}^1$

素因数の和:287174

約数の個数: 36

約数和(自身を含む): 156789360

約数和(自身を除く): 105100740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 287159, 574318, 861477, 1148636, 1435795, 1722954, 2584431, 2871590, 3445908, 4307385, 5168862, 5743180, 8614770, 10337724, 12922155, 17229540, 25844310, 51688620]

約数ペア:

[(1, 51688620), (2, 25844310), (3, 17229540), (4, 12922155), (5, 10337724), (6, 8614770), (9, 5743180), (10, 5168862), (12, 4307385), (15, 3445908), (18, 2871590), (20, 2584431), (30, 1722954), (36, 1435795), (45, 1148636), (60, 861477), (90, 574318), (180, 287159)]