28069920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:315

約数の個数: 144

約数和(自身を含む): 97238232

約数和(自身を除く): 69168312

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, 101, 120, 144, 160, 180, 193, 202, 240, 288, 303, 360, 386, 404, 480, 505, 579, 606, 720, 772, 808, 909, 965, 1010, 1158, 1212, 1440, 1515, 1544, 1616, 1737, 1818, 1930, 2020, 2316, 2424, 2895, 3030, 3088, 3232, 3474, 3636, 3860, 4040, 4545, 4632, 4848, 5790, 6060, 6176, 6948, 7272, 7720, 8080, 8685, 9090, 9264, 9696, 11580, 12120, 13896, 14544, 15440, 16160, 17370, 18180, 18528, 19493, 23160, 24240, 27792, 29088, 30880, 34740, 36360, 38986, 46320, 48480, 55584, 58479, 69480, 72720, 77972, 92640, 97465, 116958, 138960, 145440, 155944, 175437, 194930, 233916, 277920, 292395, 311888, 350874, 389860, 467832, 584790, 623776, 701748, 779720, 877185, 935664, 1169580, 1403496, 1559440, 1754370, 1871328, 2339160, 2806992, 3118880, 3508740, 4678320, 5613984, 7017480, 9356640, 14034960, 28069920]

約数ペア:

[(1, 28069920), (2, 14034960), (3, 9356640), (4, 7017480), (5, 5613984), (6, 4678320), (8, 3508740), (9, 3118880), (10, 2806992), (12, 2339160), (15, 1871328), (16, 1754370), (18, 1559440), (20, 1403496), (24, 1169580), (30, 935664), (32, 877185), (36, 779720), (40, 701748), (45, 623776), (48, 584790), (60, 467832), (72, 389860), (80, 350874), (90, 311888), (96, 292395), (101, 277920), (120, 233916), (144, 194930), (160, 175437), (180, 155944), (193, 145440), (202, 138960), (240, 116958), (288, 97465), (303, 92640), (360, 77972), (386, 72720), (404, 69480), (480, 58479), (505, 55584), (579, 48480), (606, 46320), (720, 38986), (772, 36360), (808, 34740), (909, 30880), (965, 29088), (1010, 27792), (1158, 24240), (1212, 23160), (1440, 19493), (1515, 18528), (1544, 18180), (1616, 17370), (1737, 16160), (1818, 15440), (1930, 14544), (2020, 13896), (2316, 12120), (2424, 11580), (2895, 9696), (3030, 9264), (3088, 9090), (3232, 8685), (3474, 8080), (3636, 7720), (3860, 7272), (4040, 6948), (4545, 6176), (4632, 6060), (4848, 5790)]