20215157760

素因数分解:

$2^{10}\times 3^2\times 5^1\times 7^3\times {\mathrm{1279}}^1$

素因数の和:1331

約数の個数: 528

約数和(自身を含む): 81748992000

約数和(自身を除く): 61533834240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 128, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 256, 280, 288, 294, 315, 320, 336, 343, 360, 384, 392, 420, 441, 448, 480, 490, 504, 512, 560, 576, 588, 630, 640, 672, 686, 720, 735, 768, 784, 840, 882, 896, 960, 980, 1008, 1024, 1029, 1120, 1152, 1176, 1260, 1279, 1280, 1344, 1372, 1440, 1470, 1536, 1568, 1680, 1715, 1764, 1792, 1920, 1960, 2016, 2058, 2205, 2240, 2304, 2352, 2520, 2558, 2560, 2688, 2744, 2880, 2940, 3072, 3087, 3136, 3360, 3430, 3528, 3584, 3837, 3840, 3920, 4032, 4116, 4410, 4480, 4608, 4704, 5040, 5116, 5120, 5145, 5376, 5488, 5760, 5880, 6174, 6272, 6395, 6720, 6860, 7056, 7168, 7674, 7680, 7840, 8064, 8232, 8820, 8953, 8960, 9216, 9408, 10080, 10232, 10290, 10752, 10976, 11511, 11520, 11760, 12348, 12544, 12790, 13440, 13720, 14112, 15348, 15360, 15435, 15680, 16128, 16464, 17640, 17906, 17920, 18816, 19185, 20160, 20464, 20580, 21504, 21952, 23022, 23040, 23520, 24696, 25088, 25580, 26859, 26880, 27440, 28224, 30696, 30870, 31360, 32256, 32928, 35280, 35812, 35840, 37632, 38370, 40320, 40928, 41160, 43904, 44765, 46044, 46080, 47040, 49392, 50176, 51160, 53718, 53760, 54880, 56448, 57555, 61392, 61740, 62671, 62720, 64512, 65856, 70560, 71624, 75264, 76740, 80577, 80640, 81856, 82320, 87808, 89530, 92088, 94080, 98784, 102320, 107436, 107520, 109760, 112896, 115110, 122784, 123480, 125342, 125440, 131712, 134295, 141120, 143248, 150528, 153480, 161154, 161280, 163712, 164640, 175616, 179060, 184176, 188013, 188160, 197568, 204640, 214872, 219520, 225792, 230220, 245568, 246960, 250684, 250880, 263424, 268590, 282240, 286496, 306960, 313355, 322308, 322560, 327424, 329280, 351232, 358120, 368352, 376026, 376320, 395136, 402885, 409280, 429744, 438697, 439040, 451584, 460440, 491136, 493920, 501368, 526848, 537180, 564039, 564480, 572992, 613920, 626710, 644616, 654848, 658560, 716240, 736704, 752052, 752640, 790272, 805770, 818560, 859488, 877394, 878080, 920880, 940065, 982272, 987840, 1002736, 1053696, 1074360, 1128078, 1128960, 1145984, 1227840, 1253420, 1289232, 1309696, 1316091, 1317120, 1432480, 1473408, 1504104, 1580544, 1611540, 1637120, 1718976, 1754788, 1756160, 1841760, 1880130, 1964544, 1975680, 2005472, 2148720, 2193485, 2256156, 2257920, 2291968, 2455680, 2506840, 2578464, 2632182, 2634240, 2820195, 2864960, 2946816, 3008208, 3161088, 3223080, 3274240, 3437952, 3509576, 3683520, 3760260, 3929088, 3948273, 3951360, 4010944, 4297440, 4386970, 4512312, 4583936, 4911360, 5013680, 5156928, 5264364, 5268480, 5640390, 5729920, 5893632, 6016416, 6446160, 6548480, 6580455, 6875904, 7019152, 7367040, 7520520, 7896546, 7902720, 8021888, 8594880, 8773940, 9024624, 9167872, 9822720, 10027360, 10313856, 10528728, 11280780, 11459840, 11787264, 12032832, 12892320, 13160910, 13751808, 14038304, 14734080, 15041040, 15793092, 15805440, 16043776, 17189760, 17547880, 18049248, 19645440, 19741365, 20054720, 20627712, 21057456, 22561560, 22919680, 24065664, 25784640, 26321820, 27503616, 28076608, 29468160, 30082080, 31586184, 32087552, 34379520, 35095760, 36098496, 39482730, 40109440, 41255424, 42114912, 45123120, 45839360, 48131328, 51569280, 52643640, 56153216, 58936320, 60164160, 63172368, 64175104, 68759040, 70191520, 72196992, 78965460, 80218880, 82510848, 84229824, 90246240, 96262656, 103138560, 105287280, 112306432, 120328320, 126344736, 137518080, 140383040, 144393984, 157930920, 160437760, 168459648, 180492480, 192525312, 206277120, 210574560, 224612864, 240656640, 252689472, 280766080, 288787968, 315861840, 320875520, 336919296, 360984960, 412554240, 421149120, 449225728, 481313280, 505378944, 561532160, 577575936, 631723680, 673838592, 721969920, 842298240, 962626560, 1010757888, 1123064320, 1263447360, 1347677184, 1443939840, 1684596480, 2021515776, 2246128640, 2526894720, 2887879680, 3369192960, 4043031552, 5053789440, 6738385920, 10107578880, 20215157760]

約数ペア:

[(1, 20215157760), (2, 10107578880), (3, 6738385920), (4, 5053789440), (5, 4043031552), (6, 3369192960), (7, 2887879680), (8, 2526894720), (9, 2246128640), (10, 2021515776), (12, 1684596480), (14, 1443939840), (15, 1347677184), (16, 1263447360), (18, 1123064320), (20, 1010757888), (21, 962626560), (24, 842298240), (28, 721969920), (30, 673838592), (32, 631723680), (35, 577575936), (36, 561532160), (40, 505378944), (42, 481313280), (45, 449225728), (48, 421149120), (49, 412554240), (56, 360984960), (60, 336919296), (63, 320875520), (64, 315861840), (70, 288787968), (72, 280766080), (80, 252689472), (84, 240656640), (90, 224612864), (96, 210574560), (98, 206277120), (105, 192525312), (112, 180492480), (120, 168459648), (126, 160437760), (128, 157930920), (140, 144393984), (144, 140383040), (147, 137518080), (160, 126344736), (168, 120328320), (180, 112306432), (192, 105287280), (196, 103138560), (210, 96262656), (224, 90246240), (240, 84229824), (245, 82510848), (252, 80218880), (256, 78965460), (280, 72196992), (288, 70191520), (294, 68759040), (315, 64175104), (320, 63172368), (336, 60164160), (343, 58936320), (360, 56153216), (384, 52643640), (392, 51569280), (420, 48131328), (441, 45839360), (448, 45123120), (480, 42114912), (490, 41255424), (504, 40109440), (512, 39482730), (560, 36098496), (576, 35095760), (588, 34379520), (630, 32087552), (640, 31586184), (672, 30082080), (686, 29468160), (720, 28076608), (735, 27503616), (768, 26321820), (784, 25784640), (840, 24065664), (882, 22919680), (896, 22561560), (960, 21057456), (980, 20627712), (1008, 20054720), (1024, 19741365), (1029, 19645440), (1120, 18049248), (1152, 17547880), (1176, 17189760), (1260, 16043776), (1279, 15805440), (1280, 15793092), (1344, 15041040), (1372, 14734080), (1440, 14038304), (1470, 13751808), (1536, 13160910), (1568, 12892320), (1680, 12032832), (1715, 11787264), (1764, 11459840), (1792, 11280780), (1920, 10528728), (1960, 10313856), (2016, 10027360), (2058, 9822720), (2205, 9167872), (2240, 9024624), (2304, 8773940), (2352, 8594880), (2520, 8021888), (2558, 7902720), (2560, 7896546), (2688, 7520520), (2744, 7367040), (2880, 7019152), (2940, 6875904), (3072, 6580455), (3087, 6548480), (3136, 6446160), (3360, 6016416), (3430, 5893632), (3528, 5729920), (3584, 5640390), (3837, 5268480), (3840, 5264364), (3920, 5156928), (4032, 5013680), (4116, 4911360), (4410, 4583936), (4480, 4512312), (4608, 4386970), (4704, 4297440), (5040, 4010944), (5116, 3951360), (5120, 3948273), (5145, 3929088), (5376, 3760260), (5488, 3683520), (5760, 3509576), (5880, 3437952), (6174, 3274240), (6272, 3223080), (6395, 3161088), (6720, 3008208), (6860, 2946816), (7056, 2864960), (7168, 2820195), (7674, 2634240), (7680, 2632182), (7840, 2578464), (8064, 2506840), (8232, 2455680), (8820, 2291968), (8953, 2257920), (8960, 2256156), (9216, 2193485), (9408, 2148720), (10080, 2005472), (10232, 1975680), (10290, 1964544), (10752, 1880130), (10976, 1841760), (11511, 1756160), (11520, 1754788), (11760, 1718976), (12348, 1637120), (12544, 1611540), (12790, 1580544), (13440, 1504104), (13720, 1473408), (14112, 1432480), (15348, 1317120), (15360, 1316091), (15435, 1309696), (15680, 1289232), (16128, 1253420), (16464, 1227840), (17640, 1145984), (17906, 1128960), (17920, 1128078), (18816, 1074360), (19185, 1053696), (20160, 1002736), (20464, 987840), (20580, 982272), (21504, 940065), (21952, 920880), (23022, 878080), (23040, 877394), (23520, 859488), (24696, 818560), (25088, 805770), (25580, 790272), (26859, 752640), (26880, 752052), (27440, 736704), (28224, 716240), (30696, 658560), (30870, 654848), (31360, 644616), (32256, 626710), (32928, 613920), (35280, 572992), (35812, 564480), (35840, 564039), (37632, 537180), (38370, 526848), (40320, 501368), (40928, 493920), (41160, 491136), (43904, 460440), (44765, 451584), (46044, 439040), (46080, 438697), (47040, 429744), (49392, 409280), (50176, 402885), (51160, 395136), (53718, 376320), (53760, 376026), (54880, 368352), (56448, 358120), (57555, 351232), (61392, 329280), (61740, 327424), (62671, 322560), (62720, 322308), (64512, 313355), (65856, 306960), (70560, 286496), (71624, 282240), (75264, 268590), (76740, 263424), (80577, 250880), (80640, 250684), (81856, 246960), (82320, 245568), (87808, 230220), (89530, 225792), (92088, 219520), (94080, 214872), (98784, 204640), (102320, 197568), (107436, 188160), (107520, 188013), (109760, 184176), (112896, 179060), (115110, 175616), (122784, 164640), (123480, 163712), (125342, 161280), (125440, 161154), (131712, 153480), (134295, 150528), (141120, 143248)]