20144456640

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{683}}^1$

素因数の和:750

約数の個数: 1008

約数和(自身を含む): 92691630720

約数和(自身を除く): 72547174080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 19, 20, 21, 22, 24, 28, 30, 32, 33, 35, 36, 38, 40, 42, 44, 45, 48, 49, 55, 56, 57, 60, 63, 64, 66, 70, 72, 76, 77, 80, 84, 88, 90, 95, 96, 98, 99, 105, 110, 112, 114, 120, 126, 132, 133, 140, 144, 147, 152, 154, 160, 165, 168, 171, 176, 180, 190, 192, 196, 198, 209, 210, 220, 224, 228, 231, 240, 245, 252, 264, 266, 280, 285, 288, 294, 304, 308, 315, 320, 330, 336, 342, 352, 360, 380, 385, 392, 396, 399, 418, 420, 440, 441, 448, 456, 462, 480, 490, 495, 504, 528, 532, 539, 560, 570, 576, 588, 608, 616, 627, 630, 660, 665, 672, 683, 684, 693, 704, 720, 735, 760, 770, 784, 792, 798, 836, 840, 855, 880, 882, 912, 924, 931, 960, 980, 990, 1008, 1045, 1056, 1064, 1078, 1120, 1140, 1155, 1176, 1197, 1216, 1232, 1254, 1260, 1320, 1330, 1344, 1366, 1368, 1386, 1440, 1463, 1470, 1520, 1540, 1568, 1584, 1596, 1617, 1672, 1680, 1710, 1760, 1764, 1824, 1848, 1862, 1881, 1960, 1980, 1995, 2016, 2049, 2090, 2112, 2128, 2156, 2205, 2240, 2280, 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21856, 21945, 22176, 22344, 22539, 23408, 23520, 23905, 23940, 24255, 24588, 24640, 25080, 25536, 25872, 25954, 26334, 27320, 27360, 27720, 27930, 28224, 28686, 29260, 29792, 30052, 30096, 30723, 30735, 31680, 31920, 32340, 32784, 33440, 33467, 33516, 34496, 35112, 35280, 36960, 37240, 37565, 37620, 38248, 38304, 38808, 38931, 40128, 40964, 40980, 41895, 42560, 43029, 43120, 43712, 43890, 44352, 44688, 45078, 46816, 47040, 47810, 47880, 48510, 49176, 50160, 51205, 51744, 51908, 52591, 52668, 54640, 54720, 55440, 55860, 57372, 58520, 59584, 60104, 60192, 61446, 61470, 63840, 64680, 64885, 65568, 65835, 66880, 66934, 67032, 67617, 70224, 70560, 71715, 73920, 74480, 75130, 75240, 76496, 76608, 77616, 77862, 81928, 81960, 83790, 86058, 86240, 87780, 89376, 90156, 90839, 92169, 93632, 95620, 95760, 97020, 98352, 100320, 100401, 102410, 103488, 103816, 105182, 105336, 109280, 110880, 111720, 112695, 114744, 116793, 117040, 120208, 120384, 122892, 122940, 127680, 129360, 129770, 131136, 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約数ペア:

[(1, 20144456640), (2, 10072228320), (3, 6714818880), (4, 5036114160), (5, 4028891328), (6, 3357409440), (7, 2877779520), (8, 2518057080), (9, 2238272960), (10, 2014445664), (11, 1831314240), (12, 1678704720), (14, 1438889760), (15, 1342963776), (16, 1259028540), (18, 1119136480), (19, 1060234560), (20, 1007222832), (21, 959259840), (22, 915657120), (24, 839352360), (28, 719444880), (30, 671481888), (32, 629514270), (33, 610438080), (35, 575555904), (36, 559568240), (38, 530117280), (40, 503611416), (42, 479629920), (44, 457828560), (45, 447654592), (48, 419676180), (49, 411111360), (55, 366262848), (56, 359722440), (57, 353411520), (60, 335740944), (63, 319753280), (64, 314757135), (66, 305219040), (70, 287777952), (72, 279784120), (76, 265058640), (77, 261616320), (80, 251805708), (84, 239814960), (88, 228914280), (90, 223827296), (95, 212046912), (96, 209838090), (98, 205555680), (99, 203479360), (105, 191851968), (110, 183131424), (112, 179861220), (114, 176705760), (120, 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