28625760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:317

約数の個数: 144

約数和(自身を含む): 99144864

約数和(自身を除く): 70519104

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 103, 120, 144, 160, 180, 193, 206, 240, 288, 309, 360, 386, 412, 480, 515, 579, 618, 720, 772, 824, 927, 965, 1030, 1158, 1236, 1440, 1544, 1545, 1648, 1737, 1854, 1930, 2060, 2316, 2472, 2895, 3088, 3090, 3296, 3474, 3708, 3860, 4120, 4632, 4635, 4944, 5790, 6176, 6180, 6948, 7416, 7720, 8240, 8685, 9264, 9270, 9888, 11580, 12360, 13896, 14832, 15440, 16480, 17370, 18528, 18540, 19879, 23160, 24720, 27792, 29664, 30880, 34740, 37080, 39758, 46320, 49440, 55584, 59637, 69480, 74160, 79516, 92640, 99395, 119274, 138960, 148320, 159032, 178911, 198790, 238548, 277920, 298185, 318064, 357822, 397580, 477096, 596370, 636128, 715644, 795160, 894555, 954192, 1192740, 1431288, 1590320, 1789110, 1908384, 2385480, 2862576, 3180640, 3578220, 4770960, 5725152, 7156440, 9541920, 14312880, 28625760]

約数ペア:

[(1, 28625760), (2, 14312880), (3, 9541920), (4, 7156440), (5, 5725152), (6, 4770960), (8, 3578220), (9, 3180640), (10, 2862576), (12, 2385480), (15, 1908384), (16, 1789110), (18, 1590320), (20, 1431288), (24, 1192740), (30, 954192), (32, 894555), (36, 795160), (40, 715644), (45, 636128), (48, 596370), (60, 477096), (72, 397580), (80, 357822), (90, 318064), (96, 298185), (103, 277920), (120, 238548), (144, 198790), (160, 178911), (180, 159032), (193, 148320), (206, 138960), (240, 119274), (288, 99395), (309, 92640), (360, 79516), (386, 74160), (412, 69480), (480, 59637), (515, 55584), (579, 49440), (618, 46320), (720, 39758), (772, 37080), (824, 34740), (927, 30880), (965, 29664), (1030, 27792), (1158, 24720), (1236, 23160), (1440, 19879), (1544, 18540), (1545, 18528), (1648, 17370), (1737, 16480), (1854, 15440), (1930, 14832), (2060, 13896), (2316, 12360), (2472, 11580), (2895, 9888), (3088, 9270), (3090, 9264), (3296, 8685), (3474, 8240), (3708, 7720), (3860, 7416), (4120, 6948), (4632, 6180), (4635, 6176), (4944, 5790)]