28099260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:820

約数の個数: 144

約数和(自身を含む): 100900800

約数和(自身を除く): 72801540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 84, 87, 90, 105, 116, 126, 140, 145, 174, 180, 203, 210, 252, 261, 290, 315, 348, 406, 420, 435, 522, 580, 609, 630, 769, 812, 870, 1015, 1044, 1218, 1260, 1305, 1538, 1740, 1827, 2030, 2307, 2436, 2610, 3045, 3076, 3654, 3845, 4060, 4614, 5220, 5383, 6090, 6921, 7308, 7690, 9135, 9228, 10766, 11535, 12180, 13842, 15380, 16149, 18270, 21532, 22301, 23070, 26915, 27684, 32298, 34605, 36540, 44602, 46140, 48447, 53830, 64596, 66903, 69210, 80745, 89204, 96894, 107660, 111505, 133806, 138420, 156107, 161490, 193788, 200709, 223010, 242235, 267612, 312214, 322980, 334515, 401418, 446020, 468321, 484470, 624428, 669030, 780535, 802836, 936642, 968940, 1003545, 1338060, 1404963, 1561070, 1873284, 2007090, 2341605, 2809926, 3122140, 4014180, 4683210, 5619852, 7024815, 9366420, 14049630, 28099260]

約数ペア:

[(1, 28099260), (2, 14049630), (3, 9366420), (4, 7024815), (5, 5619852), (6, 4683210), (7, 4014180), (9, 3122140), (10, 2809926), (12, 2341605), (14, 2007090), (15, 1873284), (18, 1561070), (20, 1404963), (21, 1338060), (28, 1003545), (29, 968940), (30, 936642), (35, 802836), (36, 780535), (42, 669030), (45, 624428), (58, 484470), (60, 468321), (63, 446020), (70, 401418), (84, 334515), (87, 322980), (90, 312214), (105, 267612), (116, 242235), (126, 223010), (140, 200709), (145, 193788), (174, 161490), (180, 156107), (203, 138420), (210, 133806), (252, 111505), (261, 107660), (290, 96894), (315, 89204), (348, 80745), (406, 69210), (420, 66903), (435, 64596), (522, 53830), (580, 48447), (609, 46140), (630, 44602), (769, 36540), (812, 34605), (870, 32298), (1015, 27684), (1044, 26915), (1218, 23070), (1260, 22301), (1305, 21532), (1538, 18270), (1740, 16149), (1827, 15380), (2030, 13842), (2307, 12180), (2436, 11535), (2610, 10766), (3045, 9228), (3076, 9135), (3654, 7690), (3845, 7308), (4060, 6921), (4614, 6090), (5220, 5383)]