28986660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:667

約数の個数: 120

約数和(自身を含む): 94220280

約数和(自身を除く): 65233620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 261, 270, 290, 324, 348, 405, 435, 522, 540, 580, 617, 783, 810, 870, 1044, 1234, 1305, 1566, 1620, 1740, 1851, 2349, 2468, 2610, 3085, 3132, 3702, 3915, 4698, 5220, 5553, 6170, 7404, 7830, 9255, 9396, 11106, 11745, 12340, 15660, 16659, 17893, 18510, 22212, 23490, 27765, 33318, 35786, 37020, 46980, 49977, 53679, 55530, 66636, 71572, 83295, 89465, 99954, 107358, 111060, 161037, 166590, 178930, 199908, 214716, 249885, 268395, 322074, 333180, 357860, 483111, 499770, 536790, 644148, 805185, 966222, 999540, 1073580, 1449333, 1610370, 1932444, 2415555, 2898666, 3220740, 4831110, 5797332, 7246665, 9662220, 14493330, 28986660]

約数ペア:

[(1, 28986660), (2, 14493330), (3, 9662220), (4, 7246665), (5, 5797332), (6, 4831110), (9, 3220740), (10, 2898666), (12, 2415555), (15, 1932444), (18, 1610370), (20, 1449333), (27, 1073580), (29, 999540), (30, 966222), (36, 805185), (45, 644148), (54, 536790), (58, 499770), (60, 483111), (81, 357860), (87, 333180), (90, 322074), (108, 268395), (116, 249885), (135, 214716), (145, 199908), (162, 178930), (174, 166590), (180, 161037), (261, 111060), (270, 107358), (290, 99954), (324, 89465), (348, 83295), (405, 71572), (435, 66636), (522, 55530), (540, 53679), (580, 49977), (617, 46980), (783, 37020), (810, 35786), (870, 33318), (1044, 27765), (1234, 23490), (1305, 22212), (1566, 18510), (1620, 17893), (1740, 16659), (1851, 15660), (2349, 12340), (2468, 11745), (2610, 11106), (3085, 9396), (3132, 9255), (3702, 7830), (3915, 7404), (4698, 6170), (5220, 5553)]