204638720

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 240

約数和(自身を含む): 593078112

約数和(自身を除く): 388439392

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 43, 44, 52, 55, 64, 65, 80, 86, 88, 104, 110, 128, 130, 143, 160, 169, 172, 176, 208, 215, 220, 256, 260, 286, 320, 338, 344, 352, 416, 430, 440, 473, 512, 520, 559, 572, 640, 676, 688, 704, 715, 832, 845, 860, 880, 946, 1040, 1118, 1144, 1280, 1352, 1376, 1408, 1430, 1664, 1690, 1720, 1760, 1859, 1892, 2080, 2236, 2288, 2365, 2560, 2704, 2752, 2795, 2816, 2860, 3328, 3380, 3440, 3520, 3718, 3784, 4160, 4472, 4576, 4730, 5408, 5504, 5590, 5632, 5720, 6149, 6656, 6760, 6880, 7040, 7267, 7436, 7568, 8320, 8944, 9152, 9295, 9460, 10816, 11008, 11180, 11440, 12298, 13520, 13760, 14080, 14534, 14872, 15136, 16640, 17888, 18304, 18590, 18920, 21632, 22016, 22360, 22880, 24596, 27040, 27520, 28160, 29068, 29744, 30272, 30745, 33280, 35776, 36335, 36608, 37180, 37840, 43264, 44720, 45760, 49192, 54080, 55040, 58136, 59488, 60544, 61490, 71552, 72670, 73216, 74360, 75680, 79937, 86528, 89440, 91520, 98384, 108160, 110080, 116272, 118976, 121088, 122980, 143104, 145340, 148720, 151360, 159874, 178880, 183040, 196768, 216320, 232544, 237952, 242176, 245960, 286208, 290680, 297440, 302720, 319748, 357760, 366080, 393536, 399685, 432640, 465088, 475904, 491920, 581360, 594880, 605440, 639496, 715520, 787072, 799370, 930176, 951808, 983840, 1162720, 1189760, 1210880, 1278992, 1431040, 1574144, 1598740, 1860352, 1967680, 2325440, 2379520, 2557984, 3148288, 3197480, 3720704, 3935360, 4650880, 4759040, 5115968, 6394960, 7870720, 9301760, 10231936, 12789920, 15741440, 18603520, 20463872, 25579840, 40927744, 51159680, 102319360, 204638720]

約数ペア:

[(1, 204638720), (2, 102319360), (4, 51159680), (5, 40927744), (8, 25579840), (10, 20463872), (11, 18603520), (13, 15741440), (16, 12789920), (20, 10231936), (22, 9301760), (26, 7870720), (32, 6394960), (40, 5115968), (43, 4759040), (44, 4650880), (52, 3935360), (55, 3720704), (64, 3197480), (65, 3148288), (80, 2557984), (86, 2379520), (88, 2325440), (104, 1967680), (110, 1860352), (128, 1598740), (130, 1574144), (143, 1431040), (160, 1278992), (169, 1210880), (172, 1189760), (176, 1162720), (208, 983840), (215, 951808), (220, 930176), (256, 799370), (260, 787072), (286, 715520), (320, 639496), (338, 605440), (344, 594880), (352, 581360), (416, 491920), (430, 475904), (440, 465088), (473, 432640), (512, 399685), (520, 393536), (559, 366080), (572, 357760), (640, 319748), (676, 302720), (688, 297440), (704, 290680), (715, 286208), (832, 245960), (845, 242176), (860, 237952), (880, 232544), (946, 216320), (1040, 196768), (1118, 183040), (1144, 178880), (1280, 159874), (1352, 151360), (1376, 148720), (1408, 145340), (1430, 143104), (1664, 122980), (1690, 121088), (1720, 118976), (1760, 116272), (1859, 110080), (1892, 108160), (2080, 98384), (2236, 91520), (2288, 89440), (2365, 86528), (2560, 79937), (2704, 75680), (2752, 74360), (2795, 73216), (2816, 72670), (2860, 71552), (3328, 61490), (3380, 60544), (3440, 59488), (3520, 58136), (3718, 55040), (3784, 54080), (4160, 49192), (4472, 45760), (4576, 44720), (4730, 43264), (5408, 37840), (5504, 37180), (5590, 36608), (5632, 36335), (5720, 35776), (6149, 33280), (6656, 30745), (6760, 30272), (6880, 29744), (7040, 29068), (7267, 28160), (7436, 27520), (7568, 27040), (8320, 24596), (8944, 22880), (9152, 22360), (9295, 22016), (9460, 21632), (10816, 18920), (11008, 18590), (11180, 18304), (11440, 17888), (12298, 16640), (13520, 15136), (13760, 14872), (14080, 14534)]