1976516640

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{21787}}^1$

素因数の和:21821

約数の個数: 240

約数和(自身を含む): 7972316352

約数和(自身を除く): 5995799712

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, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 7560, 9072, 10080, 11340, 12960, 15120, 18144, 21787, 22680, 30240, 43574, 45360, 65361, 87148, 90720, 108935, 130722, 152509, 174296, 196083, 217870, 261444, 305018, 326805, 348592, 392166, 435740, 457527, 522888, 588249, 610036, 653610, 697184, 762545, 784332, 871480, 915054, 980415, 1045776, 1176498, 1220072, 1307220, 1372581, 1525090, 1568664, 1742960, 1764747, 1830108, 1960830, 2091552, 2287635, 2352996, 2440144, 2614440, 2745162, 2941245, 3050180, 3137328, 3485920, 3529494, 3660216, 3921660, 4117743, 4575270, 4705992, 4880288, 5228880, 5490324, 5882490, 6100360, 6274656, 6862905, 7058988, 7320432, 7843320, 8235486, 8823735, 9150540, 9411984, 10457760, 10980648, 11764980, 12200720, 12353229, 13725810, 14117976, 14640864, 15686640, 16470972, 17647470, 18301080, 18823968, 20588715, 21961296, 23529960, 24401440, 24706458, 27451620, 28235952, 31373280, 32941944, 35294940, 36602160, 41177430, 43922592, 47059920, 49412916, 54903240, 56471904, 61766145, 65883888, 70589880, 73204320, 82354860, 94119840, 98825832, 109806480, 123532290, 131767776, 141179760, 164709720, 197651664, 219612960, 247064580, 282359520, 329419440, 395303328, 494129160, 658838880, 988258320, 1976516640]

約数ペア:

[(1, 1976516640), (2, 988258320), (3, 658838880), (4, 494129160), (5, 395303328), (6, 329419440), (7, 282359520), (8, 247064580), (9, 219612960), (10, 197651664), (12, 164709720), (14, 141179760), (15, 131767776), (16, 123532290), (18, 109806480), (20, 98825832), (21, 94119840), (24, 82354860), (27, 73204320), (28, 70589880), (30, 65883888), (32, 61766145), (35, 56471904), (36, 54903240), (40, 49412916), (42, 47059920), (45, 43922592), (48, 41177430), (54, 36602160), (56, 35294940), (60, 32941944), (63, 31373280), (70, 28235952), (72, 27451620), (80, 24706458), (81, 24401440), (84, 23529960), (90, 21961296), (96, 20588715), (105, 18823968), (108, 18301080), (112, 17647470), (120, 16470972), (126, 15686640), (135, 14640864), (140, 14117976), (144, 13725810), (160, 12353229), (162, 12200720), (168, 11764980), (180, 10980648), (189, 10457760), (210, 9411984), (216, 9150540), (224, 8823735), (240, 8235486), (252, 7843320), (270, 7320432), (280, 7058988), (288, 6862905), (315, 6274656), (324, 6100360), (336, 5882490), (360, 5490324), (378, 5228880), (405, 4880288), (420, 4705992), (432, 4575270), (480, 4117743), (504, 3921660), (540, 3660216), (560, 3529494), (567, 3485920), (630, 3137328), (648, 3050180), (672, 2941245), (720, 2745162), (756, 2614440), (810, 2440144), (840, 2352996), (864, 2287635), (945, 2091552), (1008, 1960830), (1080, 1830108), (1120, 1764747), (1134, 1742960), (1260, 1568664), (1296, 1525090), (1440, 1372581), (1512, 1307220), (1620, 1220072), (1680, 1176498), (1890, 1045776), (2016, 980415), (2160, 915054), (2268, 871480), (2520, 784332), (2592, 762545), (2835, 697184), (3024, 653610), (3240, 610036), (3360, 588249), (3780, 522888), (4320, 457527), (4536, 435740), (5040, 392166), (5670, 348592), (6048, 326805), (6480, 305018), (7560, 261444), (9072, 217870), (10080, 196083), (11340, 174296), (12960, 152509), (15120, 130722), (18144, 108935), (21787, 90720), (22680, 87148), (30240, 65361), (43574, 45360)]