20181381120

素因数分解:

$2^{12}\times 3^3\times 5^1\times {\mathrm{36497}}^1$

素因数の和:36535

約数の個数: 208

約数和(自身を含む): 71749228320

約数和(自身を除く): 51567847200

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, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1024, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2048, 2160, 2304, 2560, 2880, 3072, 3456, 3840, 4096, 4320, 4608, 5120, 5760, 6144, 6912, 7680, 8640, 9216, 10240, 11520, 12288, 13824, 15360, 17280, 18432, 20480, 23040, 27648, 30720, 34560, 36497, 36864, 46080, 55296, 61440, 69120, 72994, 92160, 109491, 110592, 138240, 145988, 182485, 184320, 218982, 276480, 291976, 328473, 364970, 437964, 547455, 552960, 583952, 656946, 729940, 875928, 985419, 1094910, 1167904, 1313892, 1459880, 1642365, 1751856, 1970838, 2189820, 2335808, 2627784, 2919760, 3284730, 3503712, 3941676, 4379640, 4671616, 4927095, 5255568, 5839520, 6569460, 7007424, 7883352, 8759280, 9343232, 9854190, 10511136, 11679040, 13138920, 14014848, 15766704, 17518560, 18686464, 19708380, 21022272, 23358080, 26277840, 28029696, 31533408, 35037120, 37372928, 39416760, 42044544, 46716160, 52555680, 56059392, 63066816, 70074240, 74745856, 78833520, 84089088, 93432320, 105111360, 112118784, 126133632, 140148480, 149491712, 157667040, 168178176, 186864640, 210222720, 224237568, 252267264, 280296960, 315334080, 336356352, 373729280, 420445440, 448475136, 504534528, 560593920, 630668160, 672712704, 747458560, 840890880, 1009069056, 1121187840, 1261336320, 1345425408, 1681781760, 2018138112, 2242375680, 2522672640, 3363563520, 4036276224, 5045345280, 6727127040, 10090690560, 20181381120]

約数ペア:

[(1, 20181381120), (2, 10090690560), (3, 6727127040), (4, 5045345280), (5, 4036276224), (6, 3363563520), (8, 2522672640), (9, 2242375680), (10, 2018138112), (12, 1681781760), (15, 1345425408), (16, 1261336320), (18, 1121187840), (20, 1009069056), (24, 840890880), (27, 747458560), (30, 672712704), (32, 630668160), (36, 560593920), (40, 504534528), (45, 448475136), (48, 420445440), (54, 373729280), (60, 336356352), (64, 315334080), (72, 280296960), (80, 252267264), (90, 224237568), (96, 210222720), (108, 186864640), (120, 168178176), (128, 157667040), (135, 149491712), (144, 140148480), (160, 126133632), (180, 112118784), (192, 105111360), (216, 93432320), (240, 84089088), (256, 78833520), (270, 74745856), (288, 70074240), (320, 63066816), (360, 56059392), (384, 52555680), (432, 46716160), (480, 42044544), (512, 39416760), (540, 37372928), (576, 35037120), (640, 31533408), (720, 28029696), (768, 26277840), (864, 23358080), (960, 21022272), (1024, 19708380), (1080, 18686464), (1152, 17518560), (1280, 15766704), (1440, 14014848), (1536, 13138920), (1728, 11679040), (1920, 10511136), (2048, 9854190), (2160, 9343232), (2304, 8759280), (2560, 7883352), (2880, 7007424), (3072, 6569460), (3456, 5839520), (3840, 5255568), (4096, 4927095), (4320, 4671616), (4608, 4379640), (5120, 3941676), (5760, 3503712), (6144, 3284730), (6912, 2919760), (7680, 2627784), (8640, 2335808), (9216, 2189820), (10240, 1970838), (11520, 1751856), (12288, 1642365), (13824, 1459880), (15360, 1313892), (17280, 1167904), (18432, 1094910), (20480, 985419), (23040, 875928), (27648, 729940), (30720, 656946), (34560, 583952), (36497, 552960), (36864, 547455), (46080, 437964), (55296, 364970), (61440, 328473), (69120, 291976), (72994, 276480), (92160, 218982), (109491, 184320), (110592, 182485), (138240, 145988)]