401681280

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:83

約数の個数: 768

約数和(自身を含む): 1823270400

約数和(自身を除く): 1421589120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 19, 20, 21, 22, 24, 26, 28, 30, 32, 33, 35, 38, 39, 40, 42, 44, 48, 52, 55, 56, 57, 60, 64, 65, 66, 70, 76, 77, 78, 80, 84, 88, 91, 95, 96, 104, 105, 110, 112, 114, 120, 121, 128, 130, 132, 133, 140, 143, 152, 154, 156, 160, 165, 168, 176, 182, 190, 192, 195, 208, 209, 210, 220, 224, 228, 231, 240, 242, 247, 260, 264, 266, 273, 280, 285, 286, 304, 308, 312, 320, 330, 336, 352, 363, 364, 380, 384, 385, 390, 399, 416, 418, 420, 429, 440, 448, 455, 456, 462, 480, 484, 494, 520, 528, 532, 546, 560, 570, 572, 605, 608, 616, 624, 627, 640, 660, 665, 672, 704, 715, 726, 728, 741, 760, 770, 780, 798, 832, 836, 840, 847, 858, 880, 896, 910, 912, 924, 960, 968, 988, 1001, 1040, 1045, 1056, 1064, 1092, 1120, 1140, 1144, 1155, 1210, 1216, 1232, 1235, 1248, 1254, 1320, 1330, 1344, 1365, 1408, 1430, 1452, 1456, 1463, 1482, 1520, 1540, 1560, 1573, 1596, 1664, 1672, 1680, 1694, 1716, 1729, 1760, 1815, 1820, 1824, 1848, 1920, 1936, 1976, 1995, 2002, 2080, 2090, 2112, 2128, 2145, 2184, 2240, 2280, 2288, 2299, 2310, 2420, 2432, 2464, 2470, 2496, 2508, 2541, 2640, 2660, 2688, 2717, 2730, 2860, 2904, 2912, 2926, 2964, 3003, 3040, 3080, 3120, 3135, 3146, 3192, 3344, 3360, 3388, 3432, 3458, 3520, 3630, 3640, 3648, 3696, 3705, 3872, 3952, 3990, 4004, 4160, 4180, 4224, 4235, 4256, 4290, 4368, 4389, 4480, 4560, 4576, 4598, 4620, 4719, 4840, 4928, 4940, 4992, 5005, 5016, 5082, 5187, 5280, 5320, 5434, 5460, 5720, 5808, 5824, 5852, 5928, 6006, 6080, 6160, 6240, 6270, 6292, 6384, 6688, 6720, 6776, 6864, 6897, 6916, 7040, 7260, 7280, 7296, 7315, 7392, 7410, 7744, 7865, 7904, 7980, 8008, 8151, 8320, 8360, 8470, 8512, 8580, 8645, 8736, 8778, 9120, 9152, 9196, 9240, 9438, 9680, 9856, 9880, 10010, 10032, 10164, 10374, 10560, 10640, 10868, 10920, 11011, 11440, 11495, 11616, 11648, 11704, 11856, 12012, 12160, 12320, 12480, 12540, 12584, 12705, 12768, 13376, 13440, 13552, 13585, 13728, 13794, 13832, 14520, 14560, 14630, 14784, 14820, 15015, 15488, 15730, 15808, 15960, 16016, 16093, 16302, 16720, 16940, 17024, 17160, 17290, 17472, 17556, 18240, 18304, 18392, 18480, 18876, 19019, 19360, 19760, 20020, 20064, 20328, 20748, 21120, 21280, 21736, 21840, 21945, 22022, 22880, 22990, 23232, 23408, 23595, 23712, 24024, 24640, 24960, 25080, 25168, 25410, 25536, 25935, 26752, 27104, 27170, 27456, 27588, 27664, 29040, 29120, 29260, 29568, 29640, 29887, 30030, 31460, 31616, 31920, 32032, 32186, 32604, 33033, 33440, 33880, 34320, 34485, 34580, 34944, 35112, 36480, 36784, 36960, 37752, 38038, 38720, 39520, 40040, 40128, 40656, 40755, 41496, 42560, 43472, 43680, 43890, 44044, 45760, 45980, 46464, 46816, 47190, 47424, 48048, 48279, 49280, 50160, 50336, 50820, 51072, 51870, 54208, 54340, 54912, 55055, 55176, 55328, 57057, 58080, 58240, 58520, 59280, 59774, 60060, 62920, 63840, 64064, 64372, 65208, 66066, 66880, 67760, 68640, 68970, 69160, 70224, 73568, 73920, 75504, 76076, 77440, 79040, 80080, 80256, 80465, 81312, 81510, 82992, 85120, 86944, 87360, 87780, 88088, 89661, 91520, 91960, 93632, 94380, 94848, 95095, 96096, 96558, 100320, 100672, 101640, 103740, 108416, 108680, 110110, 110352, 110656, 114114, 116160, 117040, 118560, 119548, 120120, 125840, 127680, 128128, 128744, 130416, 132132, 133760, 135520, 137280, 137940, 138320, 140448, 147136, 147840, 149435, 151008, 152152, 158080, 160160, 160930, 162624, 163020, 165165, 165984, 173888, 174720, 175560, 176176, 179322, 183920, 187264, 188760, 190190, 192192, 193116, 200640, 201344, 203280, 207480, 209209, 217360, 220220, 220704, 221312, 228228, 232320, 234080, 237120, 239096, 240240, 241395, 251680, 255360, 257488, 260832, 264264, 271040, 274560, 275880, 276640, 280896, 285285, 294272, 298870, 302016, 304304, 320320, 321860, 325248, 326040, 330330, 331968, 347776, 351120, 352352, 358644, 367840, 377520, 380380, 384384, 386232, 401280, 406560, 414960, 418418, 434720, 440440, 441408, 448305, 456456, 468160, 474240, 478192, 480480, 482790, 503360, 514976, 521664, 528528, 542080, 551760, 553280, 561792, 570570, 597740, 604032, 608608, 627627, 640640, 643720, 652080, 660660, 663936, 702240, 704704, 717288, 735680, 755040, 760760, 772464, 813120, 829920, 836836, 869440, 880880, 882816, 896610, 912912, 936320, 956384, 960960, 965580, 1006720, 1029952, 1043328, 1046045, 1057056, 1103520, 1106560, 1141140, 1195480, 1217216, 1255254, 1287440, 1304160, 1321320, 1404480, 1409408, 1434576, 1471360, 1510080, 1521520, 1544928, 1626240, 1659840, 1673672, 1738880, 1761760, 1793220, 1825824, 1912768, 1921920, 1931160, 2059904, 2092090, 2114112, 2207040, 2282280, 2390960, 2434432, 2510508, 2574880, 2608320, 2642640, 2808960, 2869152, 3020160, 3043040, 3089856, 3138135, 3319680, 3347344, 3523520, 3586440, 3651648, 3825536, 3862320, 4184180, 4228224, 4414080, 4564560, 4781920, 5021016, 5149760, 5216640, 5285280, 5738304, 6086080, 6179712, 6276270, 6694688, 7047040, 7172880, 7303296, 7724640, 8368360, 9129120, 9563840, 10042032, 10299520, 10570560, 11476608, 12172160, 12552540, 13389376, 14345760, 15449280, 16736720, 18258240, 19127680, 20084064, 21141120, 25105080, 26778752, 28691520, 30898560, 33473440, 36516480, 40168128, 50210160, 57383040, 66946880, 80336256, 100420320, 133893760, 200840640, 401681280]

約数ペア:

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(627, 640640), (640, 627627), (660, 608608), (665, 604032), (672, 597740), (704, 570570), (715, 561792), (726, 553280), (728, 551760), (741, 542080), (760, 528528), (770, 521664), (780, 514976), (798, 503360), (832, 482790), (836, 480480), (840, 478192), (847, 474240), (858, 468160), (880, 456456), (896, 448305), (910, 441408), (912, 440440), (924, 434720), (960, 418418), (968, 414960), (988, 406560), (1001, 401280), (1040, 386232), (1045, 384384), (1056, 380380), (1064, 377520), (1092, 367840), (1120, 358644), (1140, 352352), (1144, 351120), (1155, 347776), (1210, 331968), (1216, 330330), (1232, 326040), (1235, 325248), (1248, 321860), (1254, 320320), (1320, 304304), (1330, 302016), (1344, 298870), (1365, 294272), (1408, 285285), (1430, 280896), (1452, 276640), (1456, 275880), (1463, 274560), (1482, 271040), (1520, 264264), (1540, 260832), (1560, 257488), (1573, 255360), (1596, 251680), (1664, 241395), (1672, 240240), (1680, 239096), (1694, 237120), (1716, 234080), (1729, 232320), (1760, 228228), (1815, 221312), (1820, 220704), (1824, 220220), (1848, 217360), (1920, 209209), (1936, 207480), (1976, 203280), (1995, 201344), (2002, 200640), (2080, 193116), (2090, 192192), (2112, 190190), (2128, 188760), (2145, 187264), (2184, 183920), (2240, 179322), (2280, 176176), (2288, 175560), (2299, 174720), (2310, 173888), (2420, 165984), (2432, 165165), (2464, 163020), (2470, 162624), (2496, 160930), (2508, 160160), (2541, 158080), (2640, 152152), (2660, 151008), (2688, 149435), (2717, 147840), (2730, 147136), (2860, 140448), (2904, 138320), (2912, 137940), (2926, 137280), (2964, 135520), (3003, 133760), (3040, 132132), (3080, 130416), (3120, 128744), (3135, 128128), (3146, 127680), (3192, 125840), (3344, 120120), (3360, 119548), (3388, 118560), (3432, 117040), (3458, 116160), (3520, 114114), (3630, 110656), (3640, 110352), (3648, 110110), (3696, 108680), (3705, 108416), (3872, 103740), (3952, 101640), (3990, 100672), (4004, 100320), (4160, 96558), (4180, 96096), (4224, 95095), (4235, 94848), (4256, 94380), (4290, 93632), (4368, 91960), (4389, 91520), (4480, 89661), (4560, 88088), (4576, 87780), (4598, 87360), (4620, 86944), (4719, 85120), (4840, 82992), (4928, 81510), (4940, 81312), (4992, 80465), (5005, 80256), (5016, 80080), (5082, 79040), (5187, 77440), (5280, 76076), (5320, 75504), (5434, 73920), (5460, 73568), (5720, 70224), (5808, 69160), (5824, 68970), (5852, 68640), (5928, 67760), (6006, 66880), (6080, 66066), (6160, 65208), (6240, 64372), (6270, 64064), (6292, 63840), (6384, 62920), (6688, 60060), (6720, 59774), (6776, 59280), (6864, 58520), (6897, 58240), (6916, 58080), (7040, 57057), (7260, 55328), (7280, 55176), (7296, 55055), (7315, 54912), (7392, 54340), (7410, 54208), (7744, 51870), (7865, 51072), (7904, 50820), (7980, 50336), (8008, 50160), (8151, 49280), (8320, 48279), (8360, 48048), (8470, 47424), (8512, 47190), (8580, 46816), (8645, 46464), (8736, 45980), (8778, 45760), (9120, 44044), (9152, 43890), (9196, 43680), (9240, 43472), 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20064)]