19681656960

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:644

約数の個数: 512

約数和(自身を含む): 74926817280

約数和(自身を除く): 55245160320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 97, 105, 112, 120, 124, 128, 140, 155, 160, 168, 186, 192, 194, 210, 217, 224, 240, 248, 280, 291, 310, 320, 336, 372, 384, 388, 420, 434, 448, 465, 480, 485, 487, 496, 560, 582, 620, 640, 651, 672, 679, 744, 776, 840, 868, 896, 930, 960, 970, 974, 992, 1085, 1120, 1164, 1240, 1302, 1344, 1358, 1455, 1461, 1488, 1552, 1680, 1736, 1860, 1920, 1940, 1948, 1984, 2037, 2170, 2240, 2328, 2435, 2480, 2604, 2688, 2716, 2910, 2922, 2976, 3007, 3104, 3255, 3360, 3395, 3409, 3472, 3720, 3880, 3896, 3968, 4074, 4340, 4480, 4656, 4870, 4960, 5208, 5432, 5820, 5844, 5952, 6014, 6208, 6510, 6720, 6790, 6818, 6944, 7305, 7440, 7760, 7792, 8148, 8680, 9021, 9312, 9740, 9920, 10185, 10227, 10416, 10864, 11640, 11688, 11904, 12028, 12416, 13020, 13440, 13580, 13636, 13888, 14610, 14880, 15035, 15097, 15520, 15584, 16296, 17045, 17360, 18042, 18624, 19480, 19840, 20370, 20454, 20832, 21049, 21728, 23280, 23376, 24056, 26040, 27160, 27272, 27776, 29220, 29760, 30070, 30194, 31040, 31168, 32592, 34090, 34720, 36084, 37248, 38960, 40740, 40908, 41664, 42098, 43456, 45105, 45291, 46560, 46752, 47239, 48112, 51135, 52080, 54320, 54544, 58440, 59520, 60140, 60388, 62080, 62336, 63147, 65184, 68180, 69440, 72168, 75485, 77920, 81480, 81816, 83328, 84196, 86912, 90210, 90582, 93120, 93504, 94478, 96224, 102270, 104160, 105245, 105679, 108640, 109088, 116880, 120280, 120776, 126294, 130368, 136360, 138880, 141717, 144336, 150970, 155840, 162960, 163632, 168392, 180420, 181164, 186240, 187008, 188956, 192448, 204540, 208320, 210490, 211358, 217280, 218176, 226455, 233760, 236195, 240560, 241552, 252588, 260736, 272720, 283434, 288672, 301940, 311680, 315735, 317037, 325920, 327264, 330673, 336784, 360840, 362328, 377912, 384896, 409080, 416640, 420980, 422716, 434560, 436352, 452910, 467520, 472390, 481120, 483104, 505176, 528395, 545440, 566868, 577344, 603880, 631470, 634074, 651840, 654528, 661346, 673568, 708585, 721680, 724656, 755824, 818160, 841960, 845432, 905820, 935040, 944780, 962240, 966208, 992019, 1010352, 1056790, 1090880, 1133736, 1154688, 1207760, 1262940, 1268148, 1303680, 1309056, 1322692, 1347136, 1417170, 1443360, 1449312, 1464409, 1511648, 1585185, 1636320, 1653365, 1683920, 1690864, 1811640, 1889560, 1924480, 1932416, 1984038, 2020704, 2113580, 2181760, 2267472, 2415520, 2525880, 2536296, 2645384, 2694272, 2834340, 2886720, 2898624, 2928818, 3023296, 3170370, 3272640, 3306730, 3367840, 3381728, 3623280, 3779120, 3968076, 4041408, 4227160, 4393227, 4534944, 4831040, 4960095, 5051760, 5072592, 5290768, 5668680, 5773440, 5797248, 5857636, 6046592, 6340740, 6545280, 6613460, 6735680, 6763456, 7246560, 7322045, 7558240, 7936152, 8082816, 8454320, 8786454, 9069888, 9662080, 9920190, 10103520, 10145184, 10250863, 10581536, 11337360, 11715272, 12681480, 13226920, 13471360, 13526912, 14493120, 14644090, 15116480, 15872304, 16908640, 17572908, 18139776, 19840380, 20207040, 20290368, 20501726, 21163072, 21966135, 22674720, 23430544, 25362960, 26453840, 28986240, 29288180, 30232960, 30752589, 31744608, 33817280, 35145816, 39680760, 40414080, 40580736, 41003452, 42326144, 43932270, 45349440, 46861088, 50725920, 51254315, 52907680, 58576360, 61505178, 63489216, 67634560, 70291632, 79361520, 82006904, 87864540, 90698880, 93722176, 101451840, 102508630, 105815360, 117152720, 123010356, 126978432, 140583264, 153762945, 158723040, 164013808, 175729080, 187444352, 202903680, 205017260, 211630720, 234305440, 246020712, 281166528, 307525890, 317446080, 328027616, 351458160, 410034520, 468610880, 492041424, 562333056, 615051780, 634892160, 656055232, 702916320, 820069040, 937221760, 984082848, 1230103560, 1312110464, 1405832640, 1640138080, 1968165696, 2460207120, 2811665280, 3280276160, 3936331392, 4920414240, 6560552320, 9840828480, 19681656960]

約数ペア:

[(1, 19681656960), (2, 9840828480), (3, 6560552320), (4, 4920414240), (5, 3936331392), (6, 3280276160), (7, 2811665280), (8, 2460207120), (10, 1968165696), (12, 1640138080), (14, 1405832640), (15, 1312110464), (16, 1230103560), (20, 984082848), (21, 937221760), (24, 820069040), (28, 702916320), (30, 656055232), (31, 634892160), (32, 615051780), (35, 562333056), (40, 492041424), (42, 468610880), (48, 410034520), (56, 351458160), (60, 328027616), (62, 317446080), (64, 307525890), (70, 281166528), (80, 246020712), (84, 234305440), (93, 211630720), (96, 205017260), (97, 202903680), (105, 187444352), (112, 175729080), (120, 164013808), (124, 158723040), (128, 153762945), (140, 140583264), (155, 126978432), (160, 123010356), (168, 117152720), (186, 105815360), (192, 102508630), (194, 101451840), (210, 93722176), (217, 90698880), (224, 87864540), (240, 82006904), (248, 79361520), (280, 70291632), (291, 67634560), (310, 63489216), (320, 61505178), (336, 58576360), (372, 52907680), (384, 51254315), (388, 50725920), (420, 46861088), (434, 45349440), (448, 43932270), (465, 42326144), (480, 41003452), (485, 40580736), (487, 40414080), (496, 39680760), (560, 35145816), (582, 33817280), (620, 31744608), (640, 30752589), (651, 30232960), (672, 29288180), (679, 28986240), (744, 26453840), (776, 25362960), (840, 23430544), (868, 22674720), (896, 21966135), (930, 21163072), (960, 20501726), (970, 20290368), (974, 20207040), (992, 19840380), (1085, 18139776), (1120, 17572908), (1164, 16908640), (1240, 15872304), (1302, 15116480), (1344, 14644090), (1358, 14493120), (1455, 13526912), (1461, 13471360), (1488, 13226920), (1552, 12681480), (1680, 11715272), (1736, 11337360), (1860, 10581536), (1920, 10250863), (1940, 10145184), (1948, 10103520), (1984, 9920190), (2037, 9662080), (2170, 9069888), (2240, 8786454), (2328, 8454320), (2435, 8082816), (2480, 7936152), (2604, 7558240), (2688, 7322045), (2716, 7246560), (2910, 6763456), (2922, 6735680), (2976, 6613460), (3007, 6545280), (3104, 6340740), (3255, 6046592), (3360, 5857636), (3395, 5797248), (3409, 5773440), (3472, 5668680), (3720, 5290768), (3880, 5072592), (3896, 5051760), (3968, 4960095), (4074, 4831040), (4340, 4534944), (4480, 4393227), (4656, 4227160), (4870, 4041408), (4960, 3968076), (5208, 3779120), (5432, 3623280), (5820, 3381728), (5844, 3367840), (5952, 3306730), (6014, 3272640), (6208, 3170370), (6510, 3023296), (6720, 2928818), (6790, 2898624), (6818, 2886720), (6944, 2834340), (7305, 2694272), (7440, 2645384), (7760, 2536296), (7792, 2525880), (8148, 2415520), (8680, 2267472), (9021, 2181760), (9312, 2113580), (9740, 2020704), (9920, 1984038), (10185, 1932416), (10227, 1924480), (10416, 1889560), (10864, 1811640), (11640, 1690864), (11688, 1683920), (11904, 1653365), (12028, 1636320), (12416, 1585185), (13020, 1511648), (13440, 1464409), (13580, 1449312), (13636, 1443360), (13888, 1417170), (14610, 1347136), (14880, 1322692), (15035, 1309056), (15097, 1303680), (15520, 1268148), (15584, 1262940), (16296, 1207760), (17045, 1154688), (17360, 1133736), (18042, 1090880), (18624, 1056790), (19480, 1010352), (19840, 992019), (20370, 966208), (20454, 962240), (20832, 944780), (21049, 935040), (21728, 905820), (23280, 845432), (23376, 841960), (24056, 818160), (26040, 755824), (27160, 724656), (27272, 721680), (27776, 708585), (29220, 673568), (29760, 661346), (30070, 654528), (30194, 651840), (31040, 634074), (31168, 631470), (32592, 603880), (34090, 577344), (34720, 566868), (36084, 545440), (37248, 528395), (38960, 505176), (40740, 483104), (40908, 481120), (41664, 472390), (42098, 467520), (43456, 452910), (45105, 436352), (45291, 434560), (46560, 422716), (46752, 420980), (47239, 416640), (48112, 409080), (51135, 384896), (52080, 377912), (54320, 362328), (54544, 360840), (58440, 336784), (59520, 330673), (60140, 327264), (60388, 325920), (62080, 317037), (62336, 315735), (63147, 311680), (65184, 301940), (68180, 288672), (69440, 283434), (72168, 272720), (75485, 260736), (77920, 252588), (81480, 241552), (81816, 240560), (83328, 236195), (84196, 233760), (86912, 226455), (90210, 218176), (90582, 217280), (93120, 211358), (93504, 210490), (94478, 208320), (96224, 204540), (102270, 192448), (104160, 188956), (105245, 187008), (105679, 186240), (108640, 181164), (109088, 180420), (116880, 168392), (120280, 163632), (120776, 162960), (126294, 155840), (130368, 150970), (136360, 144336), (138880, 141717)]