20751413760

素因数分解:

$2^9\times 3^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{557}}^1$

素因数の和:614

約数の個数: 960

約数和(自身を含む): 93708109440

約数和(自身を除く): 72956695680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 27, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 49, 54, 55, 56, 60, 63, 64, 66, 70, 72, 77, 80, 84, 88, 90, 96, 98, 99, 105, 108, 110, 112, 120, 126, 128, 132, 135, 140, 144, 147, 154, 160, 165, 168, 176, 180, 189, 192, 196, 198, 210, 216, 220, 224, 231, 240, 245, 252, 256, 264, 270, 280, 288, 294, 297, 308, 315, 320, 330, 336, 352, 360, 378, 384, 385, 392, 396, 420, 432, 440, 441, 448, 462, 480, 490, 495, 504, 512, 528, 539, 540, 557, 560, 576, 588, 594, 616, 630, 640, 660, 672, 693, 704, 720, 735, 756, 768, 770, 784, 792, 840, 864, 880, 882, 896, 924, 945, 960, 980, 990, 1008, 1056, 1078, 1080, 1114, 1120, 1152, 1155, 1176, 1188, 1232, 1260, 1280, 1320, 1323, 1344, 1386, 1408, 1440, 1470, 1485, 1512, 1536, 1540, 1568, 1584, 1617, 1671, 1680, 1728, 1760, 1764, 1792, 1848, 1890, 1920, 1960, 1980, 2016, 2079, 2112, 2156, 2160, 2205, 2228, 2240, 2304, 2310, 2352, 2376, 2464, 2520, 2560, 2640, 2646, 2688, 2695, 2772, 2785, 2816, 2880, 2940, 2970, 3024, 3080, 3136, 3168, 3234, 3342, 3360, 3456, 3465, 3520, 3528, 3584, 3696, 3780, 3840, 3899, 3920, 3960, 4032, 4158, 4224, 4312, 4320, 4410, 4456, 4480, 4608, 4620, 4704, 4752, 4851, 4928, 5013, 5040, 5280, 5292, 5376, 5390, 5544, 5570, 5632, 5760, 5880, 5940, 6048, 6127, 6160, 6272, 6336, 6468, 6615, 6684, 6720, 6912, 6930, 7040, 7056, 7392, 7560, 7680, 7798, 7840, 7920, 8064, 8085, 8316, 8355, 8448, 8624, 8640, 8820, 8912, 8960, 9240, 9408, 9504, 9702, 9856, 10026, 10080, 10395, 10560, 10584, 10752, 10780, 11088, 11140, 11520, 11697, 11760, 11880, 12096, 12254, 12320, 12544, 12672, 12936, 13230, 13368, 13440, 13824, 13860, 14080, 14112, 14553, 14784, 15039, 15120, 15596, 15680, 15840, 16128, 16170, 16632, 16710, 16896, 17248, 17280, 17640, 17824, 17920, 18381, 18480, 18816, 19008, 19404, 19495, 19712, 20052, 20160, 20790, 21120, 21168, 21560, 22176, 22280, 23040, 23394, 23520, 23760, 24192, 24255, 24508, 24640, 25065, 25088, 25344, 25872, 26460, 26736, 26880, 27293, 27720, 28160, 28224, 29106, 29568, 30078, 30240, 30635, 31192, 31360, 31680, 32256, 32340, 33264, 33420, 34496, 34560, 35091, 35280, 35648, 36762, 36960, 37632, 38016, 38808, 38990, 39424, 40104, 40320, 41580, 42240, 42336, 42889, 43120, 44352, 44560, 46788, 47040, 47520, 48384, 48510, 49016, 49280, 50130, 50688, 51744, 52920, 53472, 53760, 54586, 55143, 55440, 56448, 58212, 58485, 59136, 60156, 60480, 61270, 62384, 62720, 63360, 64680, 66528, 66840, 68992, 69120, 70182, 70560, 71296, 72765, 73524, 73920, 75195, 75264, 76032, 77616, 77980, 80208, 80640, 81879, 83160, 84480, 84672, 85778, 86240, 88704, 89120, 91905, 93576, 94080, 95040, 96768, 97020, 98032, 98560, 100260, 103488, 105273, 105840, 106944, 109172, 110286, 110880, 112896, 116424, 116970, 118272, 120312, 120960, 122540, 124768, 125440, 126720, 128667, 129360, 133056, 133680, 136465, 137984, 140364, 141120, 142592, 145530, 147048, 147840, 150390, 152064, 155232, 155960, 160416, 161280, 163758, 165429, 166320, 169344, 171556, 172480, 175455, 177408, 178240, 183810, 187152, 188160, 190080, 194040, 196064, 197120, 200520, 206976, 210546, 211680, 213888, 214445, 218344, 220572, 221760, 225792, 232848, 233940, 240624, 241920, 245080, 245637, 249536, 253440, 257334, 258720, 266112, 267360, 272930, 275715, 275968, 280728, 282240, 285184, 291060, 294096, 295680, 300223, 300780, 310464, 311920, 320832, 327516, 330858, 332640, 338688, 343112, 344960, 350910, 354816, 356480, 367620, 374304, 376320, 380160, 386001, 388080, 392128, 401040, 409395, 413952, 421092, 423360, 427776, 428890, 436688, 441144, 443520, 465696, 467880, 481248, 483840, 490160, 491274, 499072, 514668, 517440, 526365, 532224, 534720, 545860, 551430, 561456, 564480, 582120, 588192, 591360, 600446, 601560, 620928, 623840, 641664, 643335, 655032, 661716, 665280, 677376, 686224, 689920, 701820, 712960, 735240, 736911, 748608, 760320, 772002, 776160, 784256, 802080, 818790, 827145, 827904, 842184, 846720, 855552, 857780, 873376, 882288, 887040, 900669, 931392, 935760, 962496, 980320, 982548, 998144, 1029336, 1034880, 1052730, 1064448, 1069440, 1091720, 1102860, 1122912, 1128960, 1158003, 1164240, 1176384, 1200892, 1203120, 1228185, 1241856, 1247680, 1283328, 1286670, 1310064, 1323432, 1330560, 1372448, 1379840, 1403640, 1425920, 1470480, 1473822, 1497216, 1501115, 1544004, 1552320, 1568512, 1604160, 1637580, 1654290, 1684368, 1693440, 1715560, 1746752, 1764576, 1774080, 1801338, 1862784, 1871520, 1924992, 1930005, 1960640, 1965096, 1996288, 2058672, 2069760, 2105460, 2138880, 2183440, 2205720, 2245824, 2316006, 2328480, 2352768, 2401784, 2406240, 2456370, 2483712, 2495360, 2566656, 2573340, 2620128, 2646864, 2661120, 2702007, 2744896, 2807280, 2940960, 2947644, 2994432, 3002230, 3088008, 3104640, 3137024, 3208320, 3275160, 3308580, 3368736, 3386880, 3431120, 3493504, 3529152, 3602676, 3684555, 3725568, 3743040, 3849984, 3860010, 3921280, 3930192, 4117344, 4139520, 4210920, 4277760, 4366880, 4411440, 4491648, 4503345, 4632012, 4656960, 4705536, 4803568, 4812480, 4912740, 4990720, 5146680, 5240256, 5293728, 5322240, 5404014, 5489792, 5614560, 5790015, 5881920, 5895288, 5988864, 6004460, 6176016, 6209280, 6416640, 6550320, 6617160, 6737472, 6862240, 6987008, 7058304, 7205352, 7369110, 7451136, 7486080, 7699968, 7720020, 7842560, 7860384, 8106021, 8234688, 8421840, 8733760, 8822880, 8983296, 9006690, 9264024, 9313920, 9411072, 9607136, 9624960, 9825480, 9981440, 10293360, 10480512, 10587456, 10808028, 10979584, 11229120, 11580030, 11763840, 11790576, 12008920, 12352032, 12418560, 12833280, 13100640, 13234320, 13474944, 13510035, 13724480, 13974016, 14116608, 14410704, 14738220, 14972160, 15440040, 15685120, 15720768, 16212042, 16469376, 16843680, 17467520, 17645760, 17966592, 18013380, 18528048, 18627840, 19214272, 19249920, 19650960, 20586720, 20961024, 21174912, 21616056, 21959168, 22458240, 23160060, 23527680, 23581152, 24017840, 24704064, 26201280, 26468640, 26949888, 27020070, 27448960, 28233216, 28821408, 29476440, 29944320, 30880080, 31441536, 32424084, 32938752, 33687360, 34935040, 35291520, 36026760, 37056096, 37255680, 38428544, 38499840, 39301920, 40530105, 41173440, 41922048, 42349824, 43232112, 44916480, 46320120, 47055360, 47162304, 48035680, 49408128, 52402560, 52937280, 53899776, 54040140, 54897920, 57642816, 58952880, 61760160, 62883072, 64848168, 65877504, 67374720, 69870080, 70583040, 72053520, 74112192, 76857088, 78603840, 81060210, 82346880, 84699648, 86464224, 89832960, 92640240, 94324608, 96071360, 98816256, 104805120, 105874560, 108080280, 109795840, 115285632, 117905760, 123520320, 125766144, 129696336, 134749440, 141166080, 144107040, 148224384, 153714176, 157207680, 162120420, 164693760, 172928448, 185280480, 188649216, 192142720, 197632512, 209610240, 211749120, 216160560, 230571264, 235811520, 247040640, 259392672, 269498880, 288214080, 296448768, 314415360, 324240840, 329387520, 345856896, 370560960, 377298432, 384285440, 423498240, 432321120, 461142528, 471623040, 494081280, 518785344, 576428160, 592897536, 628830720, 648481680, 691713792, 741121920, 768570880, 864642240, 943246080, 988162560, 1037570688, 1152856320, 1296963360, 1383427584, 1482243840, 1729284480, 1886492160, 2075141376, 2305712640, 2593926720, 2964487680, 3458568960, 4150282752, 5187853440, 6917137920, 10375706880, 20751413760]

約数ペア:

[(1, 20751413760), (2, 10375706880), (3, 6917137920), (4, 5187853440), (5, 4150282752), (6, 3458568960), (7, 2964487680), (8, 2593926720), (9, 2305712640), (10, 2075141376), (11, 1886492160), (12, 1729284480), (14, 1482243840), (15, 1383427584), (16, 1296963360), (18, 1152856320), (20, 1037570688), (21, 988162560), (22, 943246080), (24, 864642240), (27, 768570880), (28, 741121920), (30, 691713792), (32, 648481680), (33, 628830720), (35, 592897536), (36, 576428160), (40, 518785344), (42, 494081280), (44, 471623040), (45, 461142528), (48, 432321120), (49, 423498240), (54, 384285440), (55, 377298432), (56, 370560960), (60, 345856896), (63, 329387520), (64, 324240840), (66, 314415360), (70, 296448768), (72, 288214080), (77, 269498880), (80, 259392672), (84, 247040640), (88, 235811520), (90, 230571264), (96, 216160560), (98, 211749120), (99, 209610240), (105, 197632512), (108, 192142720), (110, 188649216), (112, 185280480), (120, 172928448), (126, 164693760), (128, 162120420), (132, 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(52920, 392128), (53472, 388080), (53760, 386001), (54586, 380160), (55143, 376320), (55440, 374304), (56448, 367620), (58212, 356480), (58485, 354816), (59136, 350910), (60156, 344960), (60480, 343112), (61270, 338688), (62384, 332640), (62720, 330858), (63360, 327516), (64680, 320832), (66528, 311920), (66840, 310464), (68992, 300780), (69120, 300223), (70182, 295680), (70560, 294096), (71296, 291060), (72765, 285184), (73524, 282240), (73920, 280728), (75195, 275968), (75264, 275715), (76032, 272930), (77616, 267360), (77980, 266112), (80208, 258720), (80640, 257334), (81879, 253440), (83160, 249536), (84480, 245637), (84672, 245080), (85778, 241920), (86240, 240624), (88704, 233940), (89120, 232848), (91905, 225792), (93576, 221760), (94080, 220572), (95040, 218344), (96768, 214445), (97020, 213888), (98032, 211680), (98560, 210546), (100260, 206976), (103488, 200520), (105273, 197120), (105840, 196064), (106944, 194040), (109172, 190080), (110286, 188160), (110880, 187152), (112896, 183810), (116424, 178240), (116970, 177408), (118272, 175455), (120312, 172480), (120960, 171556), (122540, 169344), (124768, 166320), (125440, 165429), (126720, 163758), (128667, 161280), (129360, 160416), (133056, 155960), (133680, 155232), (136465, 152064), (137984, 150390), (140364, 147840), (141120, 147048), (142592, 145530)]