1818512640

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{7517}}^1$

素因数の和:7554

約数の個数: 288

約数和(自身を含む): 7376060160

約数和(自身を除く): 5557547520

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, 7517, 7560, 8064, 8640, 8960, 10080, 11520, 12096, 13440, 15034, 15120, 16128, 17280, 20160, 22551, 24192, 26880, 30068, 30240, 34560, 37585, 40320, 45102, 48384, 52619, 60136, 60480, 67653, 75170, 80640, 90204, 105238, 112755, 120272, 120960, 135306, 150340, 157857, 180408, 202959, 210476, 225510, 240544, 241920, 263095, 270612, 300680, 315714, 338265, 360816, 405918, 420952, 451020, 473571, 481088, 526190, 541224, 601360, 631428, 676530, 721632, 789285, 811836, 841904, 902040, 947142, 962176, 1014795, 1052380, 1082448, 1202720, 1262856, 1353060, 1420713, 1443264, 1578570, 1623672, 1683808, 1804080, 1894284, 1924352, 2029590, 2104760, 2164896, 2367855, 2405440, 2525712, 2706120, 2841426, 2886528, 3157140, 3247344, 3367616, 3608160, 3788568, 4059180, 4209520, 4329792, 4735710, 4810880, 5051424, 5412240, 5682852, 5773056, 6314280, 6494688, 6735232, 7103565, 7216320, 7577136, 8118360, 8419040, 8659584, 9471420, 9621760, 10102848, 10824480, 11365704, 12628560, 12989376, 13470464, 14207130, 14432640, 15154272, 16236720, 16838080, 17319168, 18942840, 20205696, 21648960, 22731408, 25257120, 25978752, 28414260, 28865280, 30308544, 32473440, 33676160, 37885680, 40411392, 43297920, 45462816, 50514240, 51957504, 56828520, 60617088, 64946880, 67352320, 75771360, 86595840, 90925632, 101028480, 113657040, 121234176, 129893760, 151542720, 181851264, 202056960, 227314080, 259787520, 303085440, 363702528, 454628160, 606170880, 909256320, 1818512640]

約数ペア:

[(1, 1818512640), (2, 909256320), (3, 606170880), (4, 454628160), (5, 363702528), (6, 303085440), (7, 259787520), (8, 227314080), (9, 202056960), (10, 181851264), (12, 151542720), (14, 129893760), (15, 121234176), (16, 113657040), (18, 101028480), (20, 90925632), (21, 86595840), (24, 75771360), (27, 67352320), (28, 64946880), (30, 60617088), (32, 56828520), (35, 51957504), (36, 50514240), (40, 45462816), (42, 43297920), (45, 40411392), (48, 37885680), (54, 33676160), (56, 32473440), (60, 30308544), (63, 28865280), (64, 28414260), (70, 25978752), (72, 25257120), (80, 22731408), (84, 21648960), (90, 20205696), (96, 18942840), (105, 17319168), (108, 16838080), (112, 16236720), (120, 15154272), (126, 14432640), (128, 14207130), (135, 13470464), (140, 12989376), (144, 12628560), (160, 11365704), (168, 10824480), (180, 10102848), (189, 9621760), (192, 9471420), (210, 8659584), (216, 8419040), (224, 8118360), (240, 7577136), (252, 7216320), (256, 7103565), (270, 6735232), (280, 6494688), (288, 6314280), (315, 5773056), (320, 5682852), (336, 5412240), (360, 5051424), (378, 4810880), (384, 4735710), (420, 4329792), (432, 4209520), (448, 4059180), (480, 3788568), (504, 3608160), (540, 3367616), (560, 3247344), (576, 3157140), (630, 2886528), (640, 2841426), (672, 2706120), (720, 2525712), (756, 2405440), (768, 2367855), (840, 2164896), (864, 2104760), (896, 2029590), (945, 1924352), (960, 1894284), (1008, 1804080), (1080, 1683808), (1120, 1623672), (1152, 1578570), (1260, 1443264), (1280, 1420713), (1344, 1353060), (1440, 1262856), (1512, 1202720), (1680, 1082448), (1728, 1052380), (1792, 1014795), (1890, 962176), (1920, 947142), (2016, 902040), (2160, 841904), (2240, 811836), (2304, 789285), (2520, 721632), (2688, 676530), (2880, 631428), (3024, 601360), (3360, 541224), (3456, 526190), (3780, 481088), (3840, 473571), (4032, 451020), (4320, 420952), (4480, 405918), (5040, 360816), (5376, 338265), (5760, 315714), (6048, 300680), (6720, 270612), (6912, 263095), (7517, 241920), (7560, 240544), (8064, 225510), (8640, 210476), (8960, 202959), (10080, 180408), (11520, 157857), (12096, 150340), (13440, 135306), (15034, 120960), (15120, 120272), (16128, 112755), (17280, 105238), (20160, 90204), (22551, 80640), (24192, 75170), (26880, 67653), (30068, 60480), (30240, 60136), (34560, 52619), (37585, 48384), (40320, 45102)]