28123620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2309}}^1$

素因数の和:2357

約数の個数: 96

約数和(自身を含む): 93139200

約数和(自身を除く): 65015580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 290, 348, 406, 420, 435, 580, 609, 812, 870, 1015, 1218, 1740, 2030, 2309, 2436, 3045, 4060, 4618, 6090, 6927, 9236, 11545, 12180, 13854, 16163, 23090, 27708, 32326, 34635, 46180, 48489, 64652, 66961, 69270, 80815, 96978, 133922, 138540, 161630, 193956, 200883, 242445, 267844, 323260, 334805, 401766, 468727, 484890, 669610, 803532, 937454, 969780, 1004415, 1339220, 1406181, 1874908, 2008830, 2343635, 2812362, 4017660, 4687270, 5624724, 7030905, 9374540, 14061810, 28123620]

約数ペア:

[(1, 28123620), (2, 14061810), (3, 9374540), (4, 7030905), (5, 5624724), (6, 4687270), (7, 4017660), (10, 2812362), (12, 2343635), (14, 2008830), (15, 1874908), (20, 1406181), (21, 1339220), (28, 1004415), (29, 969780), (30, 937454), (35, 803532), (42, 669610), (58, 484890), (60, 468727), (70, 401766), (84, 334805), (87, 323260), (105, 267844), (116, 242445), (140, 200883), (145, 193956), (174, 161630), (203, 138540), (210, 133922), (290, 96978), (348, 80815), (406, 69270), (420, 66961), (435, 64652), (580, 48489), (609, 46180), (812, 34635), (870, 32326), (1015, 27708), (1218, 23090), (1740, 16163), (2030, 13854), (2309, 12180), (2436, 11545), (3045, 9236), (4060, 6927), (4618, 6090)]