258532020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{478763}}^1$

素因数の和:478781

約数の個数: 48

約数和(自身を含む): 804323520

約数和(自身を除く): 545791500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 478763, 957526, 1436289, 1915052, 2393815, 2872578, 4308867, 4787630, 5745156, 7181445, 8617734, 9575260, 12926601, 14362890, 17235468, 21544335, 25853202, 28725780, 43088670, 51706404, 64633005, 86177340, 129266010, 258532020]

約数ペア:

[(1, 258532020), (2, 129266010), (3, 86177340), (4, 64633005), (5, 51706404), (6, 43088670), (9, 28725780), (10, 25853202), (12, 21544335), (15, 17235468), (18, 14362890), (20, 12926601), (27, 9575260), (30, 8617734), (36, 7181445), (45, 5745156), (54, 4787630), (60, 4308867), (90, 2872578), (108, 2393815), (135, 1915052), (180, 1436289), (270, 957526), (540, 478763)]