19884994560

素因数分解:

$2^{12}\times 3^4\times 5^1\times {\mathrm{11987}}^1$

素因数の和:12028

約数の個数: 260

約数和(自身を含む): 71288632008

約数和(自身を除く): 51403637448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1024, 1080, 1152, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 2048, 2160, 2304, 2560, 2592, 2880, 3072, 3240, 3456, 3840, 4096, 4320, 4608, 5120, 5184, 5760, 6144, 6480, 6912, 7680, 8640, 9216, 10240, 10368, 11520, 11987, 12288, 12960, 13824, 15360, 17280, 18432, 20480, 20736, 23040, 23974, 25920, 27648, 30720, 34560, 35961, 36864, 41472, 46080, 47948, 51840, 55296, 59935, 61440, 69120, 71922, 82944, 92160, 95896, 103680, 107883, 110592, 119870, 138240, 143844, 165888, 179805, 184320, 191792, 207360, 215766, 239740, 276480, 287688, 323649, 331776, 359610, 383584, 414720, 431532, 479480, 539415, 552960, 575376, 647298, 719220, 767168, 829440, 863064, 958960, 970947, 1078830, 1150752, 1294596, 1438440, 1534336, 1618245, 1658880, 1726128, 1917920, 1941894, 2157660, 2301504, 2589192, 2876880, 3068672, 3236490, 3452256, 3835840, 3883788, 4315320, 4603008, 4854735, 5178384, 5753760, 6137344, 6472980, 6904512, 7671680, 7767576, 8630640, 9206016, 9709470, 10356768, 11507520, 12274688, 12945960, 13809024, 15343360, 15535152, 17261280, 18412032, 19418940, 20713536, 23015040, 24549376, 25891920, 27618048, 30686720, 31070304, 34522560, 36824064, 38837880, 41427072, 46030080, 49098752, 51783840, 55236096, 61373440, 62140608, 69045120, 73648128, 77675760, 82854144, 92060160, 103567680, 110472192, 122746880, 124281216, 138090240, 147296256, 155351520, 165708288, 184120320, 207135360, 220944384, 245493760, 248562432, 276180480, 310703040, 331416576, 368240640, 414270720, 441888768, 497124864, 552360960, 621406080, 662833152, 736481280, 828541440, 994249728, 1104721920, 1242812160, 1325666304, 1657082880, 1988499456, 2209443840, 2485624320, 3314165760, 3976998912, 4971248640, 6628331520, 9942497280, 19884994560]

約数ペア:

[(1, 19884994560), (2, 9942497280), (3, 6628331520), (4, 4971248640), (5, 3976998912), (6, 3314165760), (8, 2485624320), (9, 2209443840), (10, 1988499456), (12, 1657082880), (15, 1325666304), (16, 1242812160), (18, 1104721920), (20, 994249728), (24, 828541440), (27, 736481280), (30, 662833152), (32, 621406080), (36, 552360960), (40, 497124864), (45, 441888768), (48, 414270720), (54, 368240640), (60, 331416576), (64, 310703040), (72, 276180480), (80, 248562432), (81, 245493760), (90, 220944384), (96, 207135360), (108, 184120320), (120, 165708288), (128, 155351520), (135, 147296256), (144, 138090240), (160, 124281216), (162, 122746880), (180, 110472192), (192, 103567680), (216, 92060160), (240, 82854144), (256, 77675760), (270, 73648128), (288, 69045120), (320, 62140608), (324, 61373440), (360, 55236096), (384, 51783840), (405, 49098752), (432, 46030080), (480, 41427072), (512, 38837880), (540, 36824064), (576, 34522560), (640, 31070304), (648, 30686720), (720, 27618048), (768, 25891920), (810, 24549376), (864, 23015040), (960, 20713536), (1024, 19418940), (1080, 18412032), (1152, 17261280), (1280, 15535152), (1296, 15343360), (1440, 13809024), (1536, 12945960), (1620, 12274688), (1728, 11507520), (1920, 10356768), (2048, 9709470), (2160, 9206016), (2304, 8630640), (2560, 7767576), (2592, 7671680), (2880, 6904512), (3072, 6472980), (3240, 6137344), (3456, 5753760), (3840, 5178384), (4096, 4854735), (4320, 4603008), (4608, 4315320), (5120, 3883788), (5184, 3835840), (5760, 3452256), (6144, 3236490), (6480, 3068672), (6912, 2876880), (7680, 2589192), (8640, 2301504), (9216, 2157660), (10240, 1941894), (10368, 1917920), (11520, 1726128), (11987, 1658880), (12288, 1618245), (12960, 1534336), (13824, 1438440), (15360, 1294596), (17280, 1150752), (18432, 1078830), (20480, 970947), (20736, 958960), (23040, 863064), (23974, 829440), (25920, 767168), (27648, 719220), (30720, 647298), (34560, 575376), (35961, 552960), (36864, 539415), (41472, 479480), (46080, 431532), (47948, 414720), (51840, 383584), (55296, 359610), (59935, 331776), (61440, 323649), (69120, 287688), (71922, 276480), (82944, 239740), (92160, 215766), (95896, 207360), (103680, 191792), (107883, 184320), (110592, 179805), (119870, 165888), (138240, 143844)]