1996920

素因数分解:

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

素因数の和:106

約数の個数: 96

約数和(自身を含む): 6814800

約数和(自身を除く): 4817880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 86, 90, 108, 120, 129, 135, 172, 180, 215, 216, 258, 270, 344, 360, 387, 430, 516, 540, 645, 774, 860, 1032, 1080, 1161, 1290, 1548, 1720, 1849, 1935, 2322, 2580, 3096, 3698, 3870, 4644, 5160, 5547, 5805, 7396, 7740, 9245, 9288, 11094, 11610, 14792, 15480, 16641, 18490, 22188, 23220, 27735, 33282, 36980, 44376, 46440, 49923, 55470, 66564, 73960, 83205, 99846, 110940, 133128, 166410, 199692, 221880, 249615, 332820, 399384, 499230, 665640, 998460, 1996920]

約数ペア:

[(1, 1996920), (2, 998460), (3, 665640), (4, 499230), (5, 399384), (6, 332820), (8, 249615), (9, 221880), (10, 199692), (12, 166410), (15, 133128), (18, 110940), (20, 99846), (24, 83205), (27, 73960), (30, 66564), (36, 55470), (40, 49923), (43, 46440), (45, 44376), (54, 36980), (60, 33282), (72, 27735), (86, 23220), (90, 22188), (108, 18490), (120, 16641), (129, 15480), (135, 14792), (172, 11610), (180, 11094), (215, 9288), (216, 9245), (258, 7740), (270, 7396), (344, 5805), (360, 5547), (387, 5160), (430, 4644), (516, 3870), (540, 3698), (645, 3096), (774, 2580), (860, 2322), (1032, 1935), (1080, 1849), (1161, 1720), (1290, 1548)]