28810920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:547

約数の個数: 128

約数和(自身を含む): 94867200

約数和(自身を除く): 66056280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 29, 30, 34, 40, 51, 58, 60, 68, 85, 87, 102, 116, 120, 136, 145, 170, 174, 204, 232, 255, 290, 340, 348, 408, 435, 487, 493, 510, 580, 680, 696, 870, 974, 986, 1020, 1160, 1461, 1479, 1740, 1948, 1972, 2040, 2435, 2465, 2922, 2958, 3480, 3896, 3944, 4870, 4930, 5844, 5916, 7305, 7395, 8279, 9740, 9860, 11688, 11832, 14123, 14610, 14790, 16558, 19480, 19720, 24837, 28246, 29220, 29580, 33116, 41395, 42369, 49674, 56492, 58440, 59160, 66232, 70615, 82790, 84738, 99348, 112984, 124185, 141230, 165580, 169476, 198696, 211845, 240091, 248370, 282460, 331160, 338952, 423690, 480182, 496740, 564920, 720273, 847380, 960364, 993480, 1200455, 1440546, 1694760, 1920728, 2400910, 2881092, 3601365, 4801820, 5762184, 7202730, 9603640, 14405460, 28810920]

約数ペア:

[(1, 28810920), (2, 14405460), (3, 9603640), (4, 7202730), (5, 5762184), (6, 4801820), (8, 3601365), (10, 2881092), (12, 2400910), (15, 1920728), (17, 1694760), (20, 1440546), (24, 1200455), (29, 993480), (30, 960364), (34, 847380), (40, 720273), (51, 564920), (58, 496740), (60, 480182), (68, 423690), (85, 338952), (87, 331160), (102, 282460), (116, 248370), (120, 240091), (136, 211845), (145, 198696), (170, 169476), (174, 165580), (204, 141230), (232, 124185), (255, 112984), (290, 99348), (340, 84738), (348, 82790), (408, 70615), (435, 66232), (487, 59160), (493, 58440), (510, 56492), (580, 49674), (680, 42369), (696, 41395), (870, 33116), (974, 29580), (986, 29220), (1020, 28246), (1160, 24837), (1461, 19720), (1479, 19480), (1740, 16558), (1948, 14790), (1972, 14610), (2040, 14123), (2435, 11832), (2465, 11688), (2922, 9860), (2958, 9740), (3480, 8279), (3896, 7395), (3944, 7305), (4870, 5916), (4930, 5844)]