20185749760

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{479}}^1$

素因数の和:625

約数の個数: 288

約数和(自身を含む): 54887777280

約数和(自身を除く): 34702027520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 64, 73, 80, 82, 88, 110, 128, 146, 160, 164, 176, 205, 220, 256, 292, 320, 328, 352, 365, 410, 440, 451, 479, 584, 640, 656, 704, 730, 803, 820, 880, 902, 958, 1168, 1280, 1312, 1408, 1460, 1606, 1640, 1760, 1804, 1916, 2255, 2336, 2395, 2624, 2816, 2920, 2993, 3212, 3280, 3520, 3608, 3832, 4015, 4510, 4672, 4790, 5248, 5269, 5840, 5986, 6424, 6560, 7040, 7216, 7664, 8030, 9020, 9344, 9580, 10496, 10538, 11680, 11972, 12848, 13120, 14080, 14432, 14965, 15328, 16060, 18040, 18688, 19160, 19639, 21076, 23360, 23944, 25696, 26240, 26345, 28864, 29930, 30656, 32120, 32923, 34967, 36080, 38320, 39278, 42152, 46720, 47888, 51392, 52480, 52690, 57728, 59860, 61312, 64240, 65846, 69934, 72160, 76640, 78556, 84304, 93440, 95776, 98195, 102784, 105380, 115456, 119720, 122624, 128480, 131692, 139868, 144320, 153280, 157112, 164615, 168608, 174835, 191552, 196390, 205568, 210760, 216029, 239440, 256960, 263384, 279736, 288640, 306560, 314224, 329230, 337216, 349670, 383104, 384637, 392780, 421520, 432058, 478880, 513920, 526768, 559472, 577280, 613120, 628448, 658460, 674432, 699340, 766208, 769274, 785560, 843040, 864116, 957760, 1027840, 1053536, 1080145, 1118944, 1256896, 1316920, 1348864, 1398680, 1433647, 1538548, 1571120, 1686080, 1728232, 1915520, 1923185, 2107072, 2160290, 2237888, 2513792, 2633840, 2797360, 2867294, 3077096, 3142240, 3372160, 3456464, 3831040, 3846370, 4214144, 4320580, 4475776, 5027584, 5267680, 5594720, 5734588, 6154192, 6284480, 6744320, 6912928, 7168235, 7692740, 8428288, 8641160, 8951552, 10535360, 11189440, 11469176, 12308384, 12568960, 13825856, 14336470, 15385480, 15770117, 17282320, 21070720, 22378880, 22938352, 24616768, 25137920, 27651712, 28672940, 30770960, 31540234, 34564640, 42141440, 44757760, 45876704, 49233536, 55303424, 57345880, 61541920, 63080468, 69129280, 78850585, 91753408, 98467072, 114691760, 123083840, 126160936, 138258560, 157701170, 183506816, 229383520, 246167680, 252321872, 276517120, 315402340, 367013632, 458767040, 492335360, 504643744, 630804680, 917534080, 1009287488, 1261609360, 1835068160, 2018574976, 2523218720, 4037149952, 5046437440, 10092874880, 20185749760]

約数ペア:

[(1, 20185749760), (2, 10092874880), (4, 5046437440), (5, 4037149952), (8, 2523218720), (10, 2018574976), (11, 1835068160), (16, 1261609360), (20, 1009287488), (22, 917534080), (32, 630804680), (40, 504643744), (41, 492335360), (44, 458767040), (55, 367013632), (64, 315402340), (73, 276517120), (80, 252321872), (82, 246167680), (88, 229383520), (110, 183506816), (128, 157701170), (146, 138258560), (160, 126160936), (164, 123083840), (176, 114691760), (205, 98467072), (220, 91753408), (256, 78850585), (292, 69129280), (320, 63080468), (328, 61541920), (352, 57345880), (365, 55303424), (410, 49233536), (440, 45876704), (451, 44757760), (479, 42141440), (584, 34564640), (640, 31540234), (656, 30770960), (704, 28672940), (730, 27651712), (803, 25137920), (820, 24616768), (880, 22938352), (902, 22378880), (958, 21070720), (1168, 17282320), (1280, 15770117), (1312, 15385480), (1408, 14336470), (1460, 13825856), (1606, 12568960), (1640, 12308384), (1760, 11469176), (1804, 11189440), (1916, 10535360), (2255, 8951552), (2336, 8641160), (2395, 8428288), (2624, 7692740), (2816, 7168235), (2920, 6912928), (2993, 6744320), (3212, 6284480), (3280, 6154192), (3520, 5734588), (3608, 5594720), (3832, 5267680), (4015, 5027584), (4510, 4475776), (4672, 4320580), (4790, 4214144), (5248, 3846370), (5269, 3831040), (5840, 3456464), (5986, 3372160), (6424, 3142240), (6560, 3077096), (7040, 2867294), (7216, 2797360), (7664, 2633840), (8030, 2513792), (9020, 2237888), (9344, 2160290), (9580, 2107072), (10496, 1923185), (10538, 1915520), (11680, 1728232), (11972, 1686080), (12848, 1571120), (13120, 1538548), (14080, 1433647), (14432, 1398680), (14965, 1348864), (15328, 1316920), (16060, 1256896), (18040, 1118944), (18688, 1080145), (19160, 1053536), (19639, 1027840), (21076, 957760), (23360, 864116), (23944, 843040), (25696, 785560), (26240, 769274), (26345, 766208), (28864, 699340), (29930, 674432), (30656, 658460), (32120, 628448), (32923, 613120), (34967, 577280), (36080, 559472), (38320, 526768), (39278, 513920), (42152, 478880), (46720, 432058), (47888, 421520), (51392, 392780), (52480, 384637), (52690, 383104), (57728, 349670), (59860, 337216), (61312, 329230), (64240, 314224), (65846, 306560), (69934, 288640), (72160, 279736), (76640, 263384), (78556, 256960), (84304, 239440), (93440, 216029), (95776, 210760), (98195, 205568), (102784, 196390), (105380, 191552), (115456, 174835), (119720, 168608), (122624, 164615), (128480, 157112), (131692, 153280), (139868, 144320)]