4538220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1759}}^1$

素因数の和:1814

約数の個数: 48

約数和(自身を含む): 13009920

約数和(自身を除く): 8471700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 1759, 2580, 3518, 5277, 7036, 8795, 10554, 17590, 21108, 26385, 35180, 52770, 75637, 105540, 151274, 226911, 302548, 378185, 453822, 756370, 907644, 1134555, 1512740, 2269110, 4538220]

約数ペア:

[(1, 4538220), (2, 2269110), (3, 1512740), (4, 1134555), (5, 907644), (6, 756370), (10, 453822), (12, 378185), (15, 302548), (20, 226911), (30, 151274), (43, 105540), (60, 75637), (86, 52770), (129, 35180), (172, 26385), (215, 21108), (258, 17590), (430, 10554), (516, 8795), (645, 7036), (860, 5277), (1290, 3518), (1759, 2580)]