19815989760

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{122867}}^1$

素因数の和:122903

約数の個数: 240

約数和(自身を含む): 78433033536

約数和(自身を除く): 58617043776

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, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3360, 3584, 3840, 4032, 4480, 4608, 5040, 5376, 5760, 6720, 7680, 8064, 8960, 10080, 10752, 11520, 13440, 16128, 17920, 20160, 23040, 26880, 32256, 40320, 53760, 80640, 122867, 161280, 245734, 368601, 491468, 614335, 737202, 860069, 982936, 1105803, 1228670, 1474404, 1720138, 1843005, 1965872, 2211606, 2457340, 2580207, 2948808, 3440276, 3686010, 3931744, 4300345, 4423212, 4914680, 5160414, 5529015, 5897616, 6880552, 7372020, 7740621, 7863488, 8600690, 8846424, 9829360, 10320828, 11058030, 11795232, 12901035, 13761104, 14744040, 15481242, 15726976, 17201380, 17692848, 19658720, 20641656, 22116060, 23590464, 25802070, 27522208, 29488080, 30962484, 31453952, 34402760, 35385696, 38703105, 39317440, 41283312, 44232120, 47180928, 51604140, 55044416, 58976160, 61924968, 62907904, 68805520, 70771392, 77406210, 78634880, 82566624, 88464240, 94361856, 103208280, 110088832, 117952320, 123849936, 137611040, 141542784, 154812420, 157269760, 165133248, 176928480, 188723712, 206416560, 220177664, 235904640, 247699872, 275222080, 283085568, 309624840, 314539520, 330266496, 353856960, 412833120, 440355328, 471809280, 495399744, 550444160, 566171136, 619249680, 660532992, 707713920, 825666240, 943618560, 990799488, 1100888320, 1238499360, 1321065984, 1415427840, 1651332480, 1981598976, 2201776640, 2476998720, 2830855680, 3302664960, 3963197952, 4953997440, 6605329920, 9907994880, 19815989760]

約数ペア:

[(1, 19815989760), (2, 9907994880), (3, 6605329920), (4, 4953997440), (5, 3963197952), (6, 3302664960), (7, 2830855680), (8, 2476998720), (9, 2201776640), (10, 1981598976), (12, 1651332480), (14, 1415427840), (15, 1321065984), (16, 1238499360), (18, 1100888320), (20, 990799488), (21, 943618560), (24, 825666240), (28, 707713920), (30, 660532992), (32, 619249680), (35, 566171136), (36, 550444160), (40, 495399744), (42, 471809280), (45, 440355328), (48, 412833120), (56, 353856960), (60, 330266496), (63, 314539520), (64, 309624840), (70, 283085568), (72, 275222080), (80, 247699872), (84, 235904640), (90, 220177664), (96, 206416560), (105, 188723712), (112, 176928480), (120, 165133248), (126, 157269760), (128, 154812420), (140, 141542784), (144, 137611040), (160, 123849936), (168, 117952320), (180, 110088832), (192, 103208280), (210, 94361856), (224, 88464240), (240, 82566624), (252, 78634880), (256, 77406210), (280, 70771392), (288, 68805520), (315, 62907904), (320, 61924968), (336, 58976160), (360, 55044416), (384, 51604140), (420, 47180928), (448, 44232120), (480, 41283312), (504, 39317440), (512, 38703105), (560, 35385696), (576, 34402760), (630, 31453952), (640, 30962484), (672, 29488080), (720, 27522208), (768, 25802070), (840, 23590464), (896, 22116060), (960, 20641656), (1008, 19658720), (1120, 17692848), (1152, 17201380), (1260, 15726976), (1280, 15481242), (1344, 14744040), (1440, 13761104), (1536, 12901035), (1680, 11795232), (1792, 11058030), (1920, 10320828), (2016, 9829360), (2240, 8846424), (2304, 8600690), (2520, 7863488), (2560, 7740621), (2688, 7372020), (2880, 6880552), (3360, 5897616), (3584, 5529015), (3840, 5160414), (4032, 4914680), (4480, 4423212), (4608, 4300345), (5040, 3931744), (5376, 3686010), (5760, 3440276), (6720, 2948808), (7680, 2580207), (8064, 2457340), (8960, 2211606), (10080, 1965872), (10752, 1843005), (11520, 1720138), (13440, 1474404), (16128, 1228670), (17920, 1105803), (20160, 982936), (23040, 860069), (26880, 737202), (32256, 614335), (40320, 491468), (53760, 368601), (80640, 245734), (122867, 161280)]