20654766720

素因数分解:

$2^7\times 3^5\times 5^1\times 7^1\times {\mathrm{18973}}^1$

素因数の和:19014

約数の個数: 384

約数和(自身を含む): 84536000640

約数和(自身を除く): 63881233920

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, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 243, 252, 270, 280, 288, 315, 320, 324, 336, 360, 378, 384, 405, 420, 432, 448, 480, 486, 504, 540, 560, 567, 576, 630, 640, 648, 672, 720, 756, 810, 840, 864, 896, 945, 960, 972, 1008, 1080, 1120, 1134, 1152, 1215, 1260, 1296, 1344, 1440, 1512, 1620, 1680, 1701, 1728, 1890, 1920, 1944, 2016, 2160, 2240, 2268, 2430, 2520, 2592, 2688, 2835, 2880, 3024, 3240, 3360, 3402, 3456, 3780, 3888, 4032, 4320, 4480, 4536, 4860, 5040, 5184, 5670, 5760, 6048, 6480, 6720, 6804, 7560, 7776, 8064, 8505, 8640, 9072, 9720, 10080, 10368, 11340, 12096, 12960, 13440, 13608, 15120, 15552, 17010, 17280, 18144, 18973, 19440, 20160, 22680, 24192, 25920, 27216, 30240, 31104, 34020, 36288, 37946, 38880, 40320, 45360, 51840, 54432, 56919, 60480, 68040, 72576, 75892, 77760, 90720, 94865, 108864, 113838, 120960, 132811, 136080, 151784, 155520, 170757, 181440, 189730, 217728, 227676, 265622, 272160, 284595, 303568, 341514, 362880, 379460, 398433, 455352, 512271, 531244, 544320, 569190, 607136, 664055, 683028, 758920, 796866, 853785, 910704, 1024542, 1062488, 1088640, 1138380, 1195299, 1214272, 1328110, 1366056, 1517840, 1536813, 1593732, 1707570, 1821408, 1992165, 2049084, 2124976, 2276760, 2390598, 2428544, 2561355, 2656220, 2732112, 3035680, 3073626, 3187464, 3415140, 3585897, 3642816, 3984330, 4098168, 4249952, 4553520, 4610439, 4781196, 5122710, 5312440, 5464224, 5976495, 6071360, 6147252, 6374928, 6830280, 7171794, 7285632, 7684065, 7968660, 8196336, 8499904, 9107040, 9220878, 9562392, 10245420, 10624880, 10757691, 10928448, 11952990, 12142720, 12294504, 12749856, 13660560, 14343588, 15368130, 15937320, 16392672, 16999808, 17929485, 18214080, 18441756, 19124784, 20490840, 21249760, 21515382, 21856896, 23052195, 23905980, 24589008, 25499712, 27321120, 28687176, 30736260, 31874640, 32273073, 32785344, 35858970, 36428160, 36883512, 38249568, 40981680, 42499520, 43030764, 46104390, 47811960, 49178016, 50999424, 53788455, 54642240, 57374352, 61472520, 63749280, 64546146, 65570688, 71717940, 73767024, 76499136, 81963360, 84999040, 86061528, 92208780, 95623920, 98356032, 107576910, 109284480, 114748704, 122945040, 127498560, 129092292, 143435880, 147534048, 152998272, 161365365, 163926720, 172123056, 184417560, 191247840, 196712064, 215153820, 229497408, 245890080, 254997120, 258184584, 286871760, 295068096, 322730730, 327853440, 344246112, 368835120, 382495680, 430307640, 458994816, 491780160, 516369168, 573743520, 590136192, 645461460, 688492224, 737670240, 764991360, 860615280, 983560320, 1032738336, 1147487040, 1290922920, 1376984448, 1475340480, 1721230560, 2065476672, 2294974080, 2581845840, 2950680960, 3442461120, 4130953344, 5163691680, 6884922240, 10327383360, 20654766720]

約数ペア:

[(1, 20654766720), (2, 10327383360), (3, 6884922240), (4, 5163691680), (5, 4130953344), (6, 3442461120), (7, 2950680960), (8, 2581845840), (9, 2294974080), (10, 2065476672), (12, 1721230560), (14, 1475340480), (15, 1376984448), (16, 1290922920), (18, 1147487040), (20, 1032738336), (21, 983560320), (24, 860615280), (27, 764991360), (28, 737670240), (30, 688492224), (32, 645461460), (35, 590136192), (36, 573743520), (40, 516369168), (42, 491780160), (45, 458994816), (48, 430307640), (54, 382495680), (56, 368835120), (60, 344246112), (63, 327853440), (64, 322730730), (70, 295068096), (72, 286871760), (80, 258184584), (81, 254997120), (84, 245890080), (90, 229497408), (96, 215153820), (105, 196712064), (108, 191247840), (112, 184417560), (120, 172123056), (126, 163926720), (128, 161365365), (135, 152998272), (140, 147534048), (144, 143435880), (160, 129092292), (162, 127498560), (168, 122945040), (180, 114748704), (189, 109284480), (192, 107576910), (210, 98356032), (216, 95623920), (224, 92208780), (240, 86061528), (243, 84999040), (252, 81963360), (270, 76499136), (280, 73767024), (288, 71717940), (315, 65570688), (320, 64546146), (324, 63749280), (336, 61472520), (360, 57374352), (378, 54642240), (384, 53788455), (405, 50999424), (420, 49178016), (432, 47811960), (448, 46104390), (480, 43030764), (486, 42499520), (504, 40981680), (540, 38249568), (560, 36883512), (567, 36428160), (576, 35858970), (630, 32785344), (640, 32273073), (648, 31874640), (672, 30736260), (720, 28687176), (756, 27321120), (810, 25499712), (840, 24589008), (864, 23905980), (896, 23052195), (945, 21856896), (960, 21515382), (972, 21249760), (1008, 20490840), (1080, 19124784), (1120, 18441756), (1134, 18214080), (1152, 17929485), (1215, 16999808), (1260, 16392672), (1296, 15937320), (1344, 15368130), (1440, 14343588), (1512, 13660560), (1620, 12749856), (1680, 12294504), (1701, 12142720), (1728, 11952990), (1890, 10928448), (1920, 10757691), (1944, 10624880), (2016, 10245420), (2160, 9562392), (2240, 9220878), (2268, 9107040), (2430, 8499904), (2520, 8196336), (2592, 7968660), (2688, 7684065), (2835, 7285632), (2880, 7171794), (3024, 6830280), (3240, 6374928), (3360, 6147252), (3402, 6071360), (3456, 5976495), (3780, 5464224), (3888, 5312440), (4032, 5122710), (4320, 4781196), (4480, 4610439), (4536, 4553520), (4860, 4249952), (5040, 4098168), (5184, 3984330), (5670, 3642816), (5760, 3585897), (6048, 3415140), (6480, 3187464), (6720, 3073626), (6804, 3035680), (7560, 2732112), (7776, 2656220), (8064, 2561355), (8505, 2428544), (8640, 2390598), (9072, 2276760), (9720, 2124976), (10080, 2049084), (10368, 1992165), (11340, 1821408), (12096, 1707570), (12960, 1593732), (13440, 1536813), (13608, 1517840), (15120, 1366056), (15552, 1328110), (17010, 1214272), (17280, 1195299), (18144, 1138380), (18973, 1088640), (19440, 1062488), (20160, 1024542), (22680, 910704), (24192, 853785), (25920, 796866), (27216, 758920), (30240, 683028), (31104, 664055), (34020, 607136), (36288, 569190), (37946, 544320), (38880, 531244), (40320, 512271), (45360, 455352), (51840, 398433), (54432, 379460), (56919, 362880), (60480, 341514), (68040, 303568), (72576, 284595), (75892, 272160), (77760, 265622), (90720, 227676), (94865, 217728), (108864, 189730), (113838, 181440), (120960, 170757), (132811, 155520), (136080, 151784)]