998460

素因数分解:

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

素因数の和:104

約数の個数: 72

約数和(自身を含む): 3180240

約数和(自身を除く): 2181780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 86, 90, 108, 129, 135, 172, 180, 215, 258, 270, 387, 430, 516, 540, 645, 774, 860, 1161, 1290, 1548, 1849, 1935, 2322, 2580, 3698, 3870, 4644, 5547, 5805, 7396, 7740, 9245, 11094, 11610, 16641, 18490, 22188, 23220, 27735, 33282, 36980, 49923, 55470, 66564, 83205, 99846, 110940, 166410, 199692, 249615, 332820, 499230, 998460]

約数ペア:

[(1, 998460), (2, 499230), (3, 332820), (4, 249615), (5, 199692), (6, 166410), (9, 110940), (10, 99846), (12, 83205), (15, 66564), (18, 55470), (20, 49923), (27, 36980), (30, 33282), (36, 27735), (43, 23220), (45, 22188), (54, 18490), (60, 16641), (86, 11610), (90, 11094), (108, 9245), (129, 7740), (135, 7396), (172, 5805), (180, 5547), (215, 4644), (258, 3870), (270, 3698), (387, 2580), (430, 2322), (516, 1935), (540, 1849), (645, 1548), (774, 1290), (860, 1161)]