66788460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8629}}^1$

素因数の和:8687

約数の個数: 72

約数和(自身を含む): 207327120

約数和(自身を除く): 140538660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 8629, 17258, 25887, 34516, 43145, 51774, 77661, 86290, 103548, 129435, 155322, 172580, 258870, 310644, 371047, 388305, 517740, 742094, 776610, 1113141, 1484188, 1553220, 1855235, 2226282, 3339423, 3710470, 4452564, 5565705, 6678846, 7420940, 11131410, 13357692, 16697115, 22262820, 33394230, 66788460]

約数ペア:

[(1, 66788460), (2, 33394230), (3, 22262820), (4, 16697115), (5, 13357692), (6, 11131410), (9, 7420940), (10, 6678846), (12, 5565705), (15, 4452564), (18, 3710470), (20, 3339423), (30, 2226282), (36, 1855235), (43, 1553220), (45, 1484188), (60, 1113141), (86, 776610), (90, 742094), (129, 517740), (172, 388305), (180, 371047), (215, 310644), (258, 258870), (387, 172580), (430, 155322), (516, 129435), (645, 103548), (774, 86290), (860, 77661), (1290, 51774), (1548, 43145), (1935, 34516), (2580, 25887), (3870, 17258), (7740, 8629)]