263290720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 288

約数和(自身を含む): 819092736

約数和(自身を除く): 555802016

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 43, 44, 49, 55, 56, 70, 71, 77, 80, 86, 88, 98, 110, 112, 140, 142, 154, 160, 172, 176, 196, 215, 220, 224, 245, 280, 284, 301, 308, 344, 352, 355, 385, 392, 430, 440, 473, 490, 497, 539, 560, 568, 602, 616, 688, 710, 770, 781, 784, 860, 880, 946, 980, 994, 1078, 1120, 1136, 1204, 1232, 1376, 1420, 1505, 1540, 1562, 1568, 1720, 1760, 1892, 1960, 1988, 2107, 2156, 2272, 2365, 2408, 2464, 2485, 2695, 2840, 3010, 3053, 3080, 3124, 3311, 3440, 3479, 3784, 3905, 3920, 3976, 4214, 4312, 4730, 4816, 4970, 5390, 5467, 5680, 6020, 6106, 6160, 6248, 6622, 6880, 6958, 7568, 7810, 7840, 7952, 8428, 8624, 9460, 9632, 9940, 10535, 10780, 10934, 11360, 12040, 12212, 12320, 12496, 13244, 13916, 15136, 15265, 15620, 15904, 16555, 16856, 17248, 17395, 18920, 19880, 21070, 21371, 21560, 21868, 23177, 24080, 24424, 24992, 26488, 27335, 27832, 30530, 31240, 33110, 33583, 33712, 34790, 37840, 38269, 39760, 42140, 42742, 43120, 43736, 46354, 48160, 48848, 52976, 54670, 55664, 61060, 62480, 66220, 67166, 67424, 69580, 75680, 76538, 79520, 84280, 85484, 86240, 87472, 92708, 97696, 105952, 106855, 109340, 111328, 115885, 122120, 124960, 132440, 134332, 139160, 149597, 153076, 167915, 168560, 170968, 174944, 185416, 191345, 213710, 218680, 231770, 235081, 244240, 264880, 268664, 278320, 299194, 306152, 335830, 337120, 341936, 370832, 382690, 427420, 437360, 463540, 470162, 488480, 529760, 537328, 556640, 598388, 612304, 671660, 683872, 741664, 747985, 765380, 854840, 874720, 927080, 940324, 1074656, 1175405, 1196776, 1224608, 1343320, 1495970, 1530760, 1645567, 1709680, 1854160, 1880648, 2350810, 2393552, 2686640, 2991940, 3061520, 3291134, 3419360, 3708320, 3761296, 4701620, 4787104, 5373280, 5983880, 6123040, 6582268, 7522592, 8227835, 9403240, 11967760, 13164536, 16455670, 18806480, 23935520, 26329072, 32911340, 37612960, 52658144, 65822680, 131645360, 263290720]

約数ペア:

[(1, 263290720), (2, 131645360), (4, 65822680), (5, 52658144), (7, 37612960), (8, 32911340), (10, 26329072), (11, 23935520), (14, 18806480), (16, 16455670), (20, 13164536), (22, 11967760), (28, 9403240), (32, 8227835), (35, 7522592), (40, 6582268), (43, 6123040), (44, 5983880), (49, 5373280), (55, 4787104), (56, 4701620), (70, 3761296), (71, 3708320), (77, 3419360), (80, 3291134), (86, 3061520), (88, 2991940), (98, 2686640), (110, 2393552), (112, 2350810), (140, 1880648), (142, 1854160), (154, 1709680), (160, 1645567), (172, 1530760), (176, 1495970), (196, 1343320), (215, 1224608), (220, 1196776), (224, 1175405), (245, 1074656), (280, 940324), (284, 927080), (301, 874720), (308, 854840), (344, 765380), (352, 747985), (355, 741664), (385, 683872), (392, 671660), (430, 612304), (440, 598388), (473, 556640), (490, 537328), (497, 529760), (539, 488480), (560, 470162), (568, 463540), (602, 437360), (616, 427420), (688, 382690), (710, 370832), (770, 341936), (781, 337120), (784, 335830), (860, 306152), (880, 299194), (946, 278320), (980, 268664), (994, 264880), (1078, 244240), (1120, 235081), (1136, 231770), (1204, 218680), (1232, 213710), (1376, 191345), (1420, 185416), (1505, 174944), (1540, 170968), (1562, 168560), (1568, 167915), (1720, 153076), (1760, 149597), (1892, 139160), (1960, 134332), (1988, 132440), (2107, 124960), (2156, 122120), (2272, 115885), (2365, 111328), (2408, 109340), (2464, 106855), (2485, 105952), (2695, 97696), (2840, 92708), (3010, 87472), (3053, 86240), (3080, 85484), (3124, 84280), (3311, 79520), (3440, 76538), (3479, 75680), (3784, 69580), (3905, 67424), (3920, 67166), (3976, 66220), (4214, 62480), (4312, 61060), (4730, 55664), (4816, 54670), (4970, 52976), (5390, 48848), (5467, 48160), (5680, 46354), (6020, 43736), (6106, 43120), (6160, 42742), (6248, 42140), (6622, 39760), (6880, 38269), (6958, 37840), (7568, 34790), (7810, 33712), (7840, 33583), (7952, 33110), (8428, 31240), (8624, 30530), (9460, 27832), (9632, 27335), (9940, 26488), (10535, 24992), (10780, 24424), (10934, 24080), (11360, 23177), (12040, 21868), (12212, 21560), (12320, 21371), (12496, 21070), (13244, 19880), (13916, 18920), (15136, 17395), (15265, 17248), (15620, 16856), (15904, 16555)]