55720620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{309559}}^1$

素因数の和:309574

約数の個数: 36

約数和(自身を含む): 169019760

約数和(自身を除く): 113299140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 309559, 619118, 928677, 1238236, 1547795, 1857354, 2786031, 3095590, 3714708, 4643385, 5572062, 6191180, 9286770, 11144124, 13930155, 18573540, 27860310, 55720620]

約数ペア:

[(1, 55720620), (2, 27860310), (3, 18573540), (4, 13930155), (5, 11144124), (6, 9286770), (9, 6191180), (10, 5572062), (12, 4643385), (15, 3714708), (18, 3095590), (20, 2786031), (30, 1857354), (36, 1547795), (45, 1238236), (60, 928677), (90, 619118), (180, 309559)]