81405838080

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{336499}}^1$

素因数の和:336536

約数の個数: 288

約数和(自身を含む): 330146880000

約数和(自身を除く): 248741041920

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, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1280, 1344, 1440, 1512, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2304, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 3840, 4032, 4320, 4480, 5040, 5376, 5760, 6048, 6720, 6912, 7560, 8064, 8640, 8960, 10080, 11520, 12096, 13440, 15120, 16128, 17280, 20160, 24192, 26880, 30240, 34560, 40320, 48384, 60480, 80640, 120960, 241920, 336499, 672998, 1009497, 1345996, 1682495, 2018994, 2355493, 2691992, 3028491, 3364990, 4037988, 4710986, 5047485, 5383984, 6056982, 6729980, 7066479, 8075976, 9085473, 9421972, 10094970, 10767968, 11777465, 12113964, 13459960, 14132958, 15142455, 16151952, 18170946, 18843944, 20189940, 21199437, 21535936, 23554930, 24227928, 26919920, 28265916, 30284910, 32303904, 35332395, 36341892, 37687888, 40379880, 42398874, 43071872, 45427365, 47109860, 48455856, 53839840, 56531832, 60569820, 63598311, 64607808, 70664790, 72683784, 75375776, 80759760, 84797748, 86143744, 90854730, 94219720, 96911712, 105997185, 107679680, 113063664, 121139640, 127196622, 129215616, 141329580, 145367568, 150751552, 161519520, 169595496, 181709460, 188439440, 193823424, 211994370, 215359360, 226127328, 242279280, 254393244, 258431232, 282659160, 290735136, 301503104, 317991555, 323039040, 339190992, 363418920, 376878880, 387646848, 423988740, 430718720, 452254656, 484558560, 508786488, 565318320, 581470272, 603006208, 635983110, 646078080, 678381984, 726837840, 753757760, 775293696, 847977480, 904509312, 969117120, 1017572976, 1130636640, 1162940544, 1271966220, 1292156160, 1356763968, 1453675680, 1507515520, 1695954960, 1809018624, 1938234240, 2035145952, 2261273280, 2325881088, 2543932440, 2713527936, 2907351360, 3015031040, 3391909920, 3876468480, 4070291904, 4522546560, 5087864880, 5427055872, 5814702720, 6783819840, 8140583808, 9045093120, 10175729760, 11629405440, 13567639680, 16281167616, 20351459520, 27135279360, 40702919040, 81405838080]

約数ペア:

[(1, 81405838080), (2, 40702919040), (3, 27135279360), (4, 20351459520), (5, 16281167616), (6, 13567639680), (7, 11629405440), (8, 10175729760), (9, 9045093120), (10, 8140583808), (12, 6783819840), (14, 5814702720), (15, 5427055872), (16, 5087864880), (18, 4522546560), (20, 4070291904), (21, 3876468480), (24, 3391909920), (27, 3015031040), (28, 2907351360), (30, 2713527936), (32, 2543932440), (35, 2325881088), (36, 2261273280), (40, 2035145952), (42, 1938234240), (45, 1809018624), (48, 1695954960), (54, 1507515520), (56, 1453675680), (60, 1356763968), (63, 1292156160), (64, 1271966220), (70, 1162940544), (72, 1130636640), (80, 1017572976), (84, 969117120), (90, 904509312), (96, 847977480), (105, 775293696), (108, 753757760), (112, 726837840), (120, 678381984), (126, 646078080), (128, 635983110), (135, 603006208), (140, 581470272), (144, 565318320), (160, 508786488), (168, 484558560), (180, 452254656), (189, 430718720), (192, 423988740), (210, 387646848), (216, 376878880), (224, 363418920), (240, 339190992), (252, 323039040), (256, 317991555), (270, 301503104), (280, 290735136), (288, 282659160), (315, 258431232), (320, 254393244), (336, 242279280), (360, 226127328), (378, 215359360), (384, 211994370), (420, 193823424), (432, 188439440), (448, 181709460), (480, 169595496), (504, 161519520), (540, 150751552), (560, 145367568), (576, 141329580), (630, 129215616), (640, 127196622), (672, 121139640), (720, 113063664), (756, 107679680), (768, 105997185), (840, 96911712), (864, 94219720), (896, 90854730), (945, 86143744), (960, 84797748), (1008, 80759760), (1080, 75375776), (1120, 72683784), (1152, 70664790), (1260, 64607808), (1280, 63598311), (1344, 60569820), (1440, 56531832), (1512, 53839840), (1680, 48455856), (1728, 47109860), (1792, 45427365), (1890, 43071872), (1920, 42398874), (2016, 40379880), (2160, 37687888), (2240, 36341892), (2304, 35332395), (2520, 32303904), (2688, 30284910), (2880, 28265916), (3024, 26919920), (3360, 24227928), (3456, 23554930), (3780, 21535936), (3840, 21199437), (4032, 20189940), (4320, 18843944), (4480, 18170946), (5040, 16151952), (5376, 15142455), (5760, 14132958), (6048, 13459960), (6720, 12113964), (6912, 11777465), (7560, 10767968), (8064, 10094970), (8640, 9421972), (8960, 9085473), (10080, 8075976), (11520, 7066479), (12096, 6729980), (13440, 6056982), (15120, 5383984), (16128, 5047485), (17280, 4710986), (20160, 4037988), (24192, 3364990), (26880, 3028491), (30240, 2691992), (34560, 2355493), (40320, 2018994), (48384, 1682495), (60480, 1345996), (80640, 1009497), (120960, 672998), (241920, 336499)]