20280637440

素因数分解:

$2^{11}\times 3^4\times 5^1\times 7^2\times {\mathrm{499}}^1$

素因数の和:552

約数の個数: 720

約数和(自身を含む): 84729645000

約数和(自身を除く): 64449007560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 98, 105, 108, 112, 120, 126, 128, 135, 140, 144, 147, 160, 162, 168, 180, 189, 192, 196, 210, 216, 224, 240, 245, 252, 256, 270, 280, 288, 294, 315, 320, 324, 336, 360, 378, 384, 392, 405, 420, 432, 441, 448, 480, 490, 499, 504, 512, 540, 560, 567, 576, 588, 630, 640, 648, 672, 720, 735, 756, 768, 784, 810, 840, 864, 882, 896, 945, 960, 980, 998, 1008, 1024, 1080, 1120, 1134, 1152, 1176, 1260, 1280, 1296, 1323, 1344, 1440, 1470, 1497, 1512, 1536, 1568, 1620, 1680, 1728, 1764, 1792, 1890, 1920, 1960, 1996, 2016, 2048, 2160, 2205, 2240, 2268, 2304, 2352, 2495, 2520, 2560, 2592, 2646, 2688, 2835, 2880, 2940, 2994, 3024, 3072, 3136, 3240, 3360, 3456, 3493, 3528, 3584, 3780, 3840, 3920, 3969, 3992, 4032, 4320, 4410, 4480, 4491, 4536, 4608, 4704, 4990, 5040, 5120, 5184, 5292, 5376, 5670, 5760, 5880, 5988, 6048, 6144, 6272, 6480, 6615, 6720, 6912, 6986, 7056, 7168, 7485, 7560, 7680, 7840, 7938, 7984, 8064, 8640, 8820, 8960, 8982, 9072, 9216, 9408, 9980, 10080, 10240, 10368, 10479, 10584, 10752, 11340, 11520, 11760, 11976, 12096, 12544, 12960, 13230, 13440, 13473, 13824, 13972, 14112, 14336, 14970, 15120, 15360, 15680, 15876, 15968, 16128, 17280, 17465, 17640, 17920, 17964, 18144, 18432, 18816, 19845, 19960, 20160, 20736, 20958, 21168, 21504, 22455, 22680, 23040, 23520, 23952, 24192, 24451, 25088, 25920, 26460, 26880, 26946, 27648, 27944, 28224, 29940, 30240, 30720, 31360, 31437, 31752, 31936, 32256, 34560, 34930, 35280, 35840, 35928, 36288, 37632, 39690, 39920, 40320, 40419, 41472, 41916, 42336, 43008, 44910, 45360, 46080, 47040, 47904, 48384, 48902, 50176, 51840, 52395, 52920, 53760, 53892, 55296, 55888, 56448, 59880, 60480, 62720, 62874, 63504, 63872, 64512, 67365, 69120, 69860, 70560, 71680, 71856, 72576, 73353, 75264, 79380, 79840, 80640, 80838, 82944, 83832, 84672, 89820, 90720, 92160, 94080, 94311, 95808, 96768, 97804, 100352, 103680, 104790, 105840, 107520, 107784, 111776, 112896, 119760, 120960, 122255, 125440, 125748, 127008, 127744, 129024, 134730, 138240, 139720, 141120, 143712, 145152, 146706, 150528, 157185, 158760, 159680, 161280, 161676, 165888, 167664, 169344, 179640, 181440, 188160, 188622, 191616, 193536, 195608, 202095, 207360, 209580, 211680, 215040, 215568, 220059, 223552, 225792, 239520, 241920, 244510, 250880, 251496, 254016, 255488, 269460, 276480, 279440, 282240, 282933, 287424, 290304, 293412, 301056, 314370, 317520, 319360, 322560, 323352, 335328, 338688, 359280, 362880, 366765, 376320, 377244, 383232, 387072, 391216, 404190, 414720, 419160, 423360, 431136, 440118, 447104, 451584, 471555, 479040, 483840, 489020, 501760, 502992, 508032, 510976, 538920, 558880, 564480, 565866, 574848, 580608, 586824, 628740, 635040, 638720, 645120, 646704, 660177, 670656, 677376, 718560, 725760, 733530, 752640, 754488, 766464, 782432, 808380, 829440, 838320, 846720, 862272, 880236, 894208, 903168, 943110, 958080, 967680, 978040, 1005984, 1016064, 1021952, 1077840, 1100295, 1117760, 1128960, 1131732, 1149696, 1161216, 1173648, 1257480, 1270080, 1277440, 1293408, 1320354, 1341312, 1354752, 1414665, 1437120, 1451520, 1467060, 1505280, 1508976, 1532928, 1564864, 1616760, 1676640, 1693440, 1724544, 1760472, 1788416, 1886220, 1916160, 1935360, 1956080, 1980531, 2011968, 2032128, 2155680, 2200590, 2235520, 2257920, 2263464, 2299392, 2347296, 2514960, 2540160, 2554880, 2586816, 2640708, 2682624, 2709504, 2829330, 2874240, 2903040, 2934120, 3017952, 3065856, 3129728, 3233520, 3300885, 3353280, 3386880, 3449088, 3520944, 3576832, 3772440, 3832320, 3912160, 3961062, 4023936, 4064256, 4311360, 4401180, 4471040, 4515840, 4526928, 4598784, 4694592, 5029920, 5080320, 5109760, 5173632, 5281416, 5365248, 5658660, 5748480, 5806080, 5868240, 6035904, 6259456, 6467040, 6601770, 6706560, 6773760, 6898176, 7041888, 7153664, 7544880, 7664640, 7824320, 7922124, 8047872, 8128512, 8622720, 8802360, 8942080, 9053856, 9197568, 9389184, 9902655, 10059840, 10160640, 10347264, 10562832, 10730496, 11317320, 11496960, 11736480, 12071808, 12518912, 12934080, 13203540, 13413120, 13547520, 13796352, 14083776, 15089760, 15329280, 15648640, 15844248, 16095744, 17245440, 17604720, 17884160, 18107712, 18778368, 19805310, 20119680, 20321280, 20694528, 21125664, 21460992, 22634640, 22993920, 23472960, 24143616, 25037824, 25868160, 26407080, 26826240, 27592704, 28167552, 30179520, 31297280, 31688496, 32191488, 34490880, 35209440, 35768320, 36215424, 37556736, 39610620, 40239360, 40642560, 41389056, 42251328, 45269280, 45987840, 46945920, 48287232, 50075648, 51736320, 52814160, 53652480, 56335104, 60359040, 62594560, 63376992, 64382976, 68981760, 70418880, 72430848, 75113472, 79221240, 80478720, 82778112, 84502656, 90538560, 93891840, 96574464, 103472640, 105628320, 107304960, 112670208, 120718080, 125189120, 126753984, 137963520, 140837760, 144861696, 150226944, 158442480, 160957440, 169005312, 181077120, 187783680, 193148928, 206945280, 211256640, 225340416, 241436160, 250378240, 253507968, 281675520, 289723392, 316884960, 321914880, 338010624, 362154240, 375567360, 413890560, 422513280, 450680832, 482872320, 507015936, 563351040, 579446784, 633769920, 676021248, 724308480, 751134720, 845026560, 965744640, 1014031872, 1126702080, 1267539840, 1352042496, 1448616960, 1690053120, 2028063744, 2253404160, 2535079680, 2897233920, 3380106240, 4056127488, 5070159360, 6760212480, 10140318720, 20280637440]

約数ペア:

[(1, 20280637440), (2, 10140318720), (3, 6760212480), (4, 5070159360), (5, 4056127488), (6, 3380106240), (7, 2897233920), (8, 2535079680), (9, 2253404160), (10, 2028063744), (12, 1690053120), (14, 1448616960), (15, 1352042496), (16, 1267539840), (18, 1126702080), (20, 1014031872), (21, 965744640), (24, 845026560), (27, 751134720), (28, 724308480), (30, 676021248), (32, 633769920), (35, 579446784), (36, 563351040), (40, 507015936), (42, 482872320), (45, 450680832), (48, 422513280), (49, 413890560), (54, 375567360), (56, 362154240), (60, 338010624), (63, 321914880), (64, 316884960), (70, 289723392), (72, 281675520), (80, 253507968), (81, 250378240), (84, 241436160), (90, 225340416), (96, 211256640), (98, 206945280), (105, 193148928), (108, 187783680), (112, 181077120), (120, 169005312), (126, 160957440), (128, 158442480), (135, 150226944), (140, 144861696), (144, 140837760), (147, 137963520), (160, 126753984), (162, 125189120), (168, 120718080), (180, 112670208), (189, 107304960), (192, 105628320), (196, 103472640), (210, 96574464), (216, 93891840), (224, 90538560), (240, 84502656), (245, 82778112), (252, 80478720), (256, 79221240), (270, 75113472), (280, 72430848), (288, 70418880), (294, 68981760), (315, 64382976), (320, 63376992), (324, 62594560), (336, 60359040), (360, 56335104), (378, 53652480), (384, 52814160), (392, 51736320), (405, 50075648), (420, 48287232), (432, 46945920), (441, 45987840), (448, 45269280), (480, 42251328), (490, 41389056), (499, 40642560), (504, 40239360), (512, 39610620), (540, 37556736), (560, 36215424), (567, 35768320), (576, 35209440), (588, 34490880), (630, 32191488), (640, 31688496), (648, 31297280), (672, 30179520), (720, 28167552), (735, 27592704), (756, 26826240), (768, 26407080), (784, 25868160), (810, 25037824), (840, 24143616), (864, 23472960), (882, 22993920), (896, 22634640), (945, 21460992), (960, 21125664), (980, 20694528), (998, 20321280), (1008, 20119680), (1024, 19805310), (1080, 18778368), (1120, 18107712), (1134, 17884160), (1152, 17604720), (1176, 17245440), (1260, 16095744), (1280, 15844248), (1296, 15648640), (1323, 15329280), (1344, 15089760), (1440, 14083776), (1470, 13796352), (1497, 13547520), (1512, 13413120), (1536, 13203540), (1568, 12934080), (1620, 12518912), (1680, 12071808), (1728, 11736480), (1764, 11496960), (1792, 11317320), (1890, 10730496), (1920, 10562832), (1960, 10347264), (1996, 10160640), (2016, 10059840), (2048, 9902655), (2160, 9389184), (2205, 9197568), (2240, 9053856), (2268, 8942080), (2304, 8802360), (2352, 8622720), (2495, 8128512), (2520, 8047872), (2560, 7922124), (2592, 7824320), (2646, 7664640), (2688, 7544880), (2835, 7153664), (2880, 7041888), (2940, 6898176), (2994, 6773760), (3024, 6706560), (3072, 6601770), (3136, 6467040), (3240, 6259456), (3360, 6035904), (3456, 5868240), (3493, 5806080), (3528, 5748480), (3584, 5658660), (3780, 5365248), (3840, 5281416), (3920, 5173632), (3969, 5109760), (3992, 5080320), (4032, 5029920), (4320, 4694592), (4410, 4598784), (4480, 4526928), (4491, 4515840), (4536, 4471040), (4608, 4401180), (4704, 4311360), (4990, 4064256), (5040, 4023936), (5120, 3961062), (5184, 3912160), (5292, 3832320), (5376, 3772440), (5670, 3576832), (5760, 3520944), (5880, 3449088), (5988, 3386880), (6048, 3353280), (6144, 3300885), (6272, 3233520), (6480, 3129728), (6615, 3065856), (6720, 3017952), (6912, 2934120), (6986, 2903040), (7056, 2874240), (7168, 2829330), (7485, 2709504), (7560, 2682624), (7680, 2640708), (7840, 2586816), (7938, 2554880), (7984, 2540160), (8064, 2514960), (8640, 2347296), (8820, 2299392), (8960, 2263464), (8982, 2257920), (9072, 2235520), (9216, 2200590), (9408, 2155680), (9980, 2032128), (10080, 2011968), (10240, 1980531), (10368, 1956080), (10479, 1935360), (10584, 1916160), (10752, 1886220), (11340, 1788416), (11520, 1760472), (11760, 1724544), (11976, 1693440), (12096, 1676640), (12544, 1616760), (12960, 1564864), (13230, 1532928), (13440, 1508976), (13473, 1505280), (13824, 1467060), (13972, 1451520), (14112, 1437120), (14336, 1414665), (14970, 1354752), (15120, 1341312), (15360, 1320354), (15680, 1293408), (15876, 1277440), (15968, 1270080), (16128, 1257480), (17280, 1173648), (17465, 1161216), (17640, 1149696), (17920, 1131732), (17964, 1128960), (18144, 1117760), (18432, 1100295), (18816, 1077840), (19845, 1021952), (19960, 1016064), (20160, 1005984), (20736, 978040), (20958, 967680), (21168, 958080), (21504, 943110), (22455, 903168), (22680, 894208), (23040, 880236), (23520, 862272), (23952, 846720), (24192, 838320), (24451, 829440), (25088, 808380), (25920, 782432), (26460, 766464), (26880, 754488), (26946, 752640), (27648, 733530), (27944, 725760), (28224, 718560), (29940, 677376), (30240, 670656), (30720, 660177), (31360, 646704), (31437, 645120), (31752, 638720), (31936, 635040), (32256, 628740), (34560, 586824), (34930, 580608), (35280, 574848), (35840, 565866), (35928, 564480), (36288, 558880), (37632, 538920), (39690, 510976), (39920, 508032), (40320, 502992), (40419, 501760), (41472, 489020), (41916, 483840), (42336, 479040), (43008, 471555), (44910, 451584), (45360, 447104), (46080, 440118), (47040, 431136), (47904, 423360), (48384, 419160), (48902, 414720), (50176, 404190), (51840, 391216), (52395, 387072), (52920, 383232), (53760, 377244), (53892, 376320), (55296, 366765), (55888, 362880), (56448, 359280), (59880, 338688), (60480, 335328), (62720, 323352), (62874, 322560), (63504, 319360), (63872, 317520), (64512, 314370), (67365, 301056), (69120, 293412), (69860, 290304), (70560, 287424), (71680, 282933), (71856, 282240), (72576, 279440), (73353, 276480), (75264, 269460), (79380, 255488), (79840, 254016), (80640, 251496), (80838, 250880), (82944, 244510), (83832, 241920), (84672, 239520), (89820, 225792), (90720, 223552), (92160, 220059), (94080, 215568), (94311, 215040), (95808, 211680), (96768, 209580), (97804, 207360), (100352, 202095), (103680, 195608), (104790, 193536), (105840, 191616), (107520, 188622), (107784, 188160), (111776, 181440), (112896, 179640), (119760, 169344), (120960, 167664), (122255, 165888), (125440, 161676), (125748, 161280), (127008, 159680), (127744, 158760), (129024, 157185), (134730, 150528), (138240, 146706), (139720, 145152), (141120, 143712)]