644239232

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 256

約数和(自身を含む): 1727308800

約数和(自身を除く): 1083069568

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 41, 52, 56, 64, 71, 76, 82, 91, 104, 112, 128, 133, 142, 152, 164, 182, 208, 224, 247, 266, 284, 287, 304, 328, 364, 416, 448, 494, 497, 532, 533, 568, 574, 608, 656, 728, 779, 832, 896, 923, 988, 994, 1064, 1066, 1136, 1148, 1216, 1312, 1349, 1456, 1558, 1664, 1729, 1846, 1976, 1988, 2128, 2132, 2272, 2296, 2432, 2624, 2698, 2911, 2912, 3116, 3458, 3692, 3731, 3952, 3976, 4256, 4264, 4544, 4592, 5248, 5396, 5453, 5822, 5824, 6232, 6461, 6916, 7384, 7462, 7904, 7952, 8512, 8528, 9088, 9184, 9443, 10127, 10792, 10906, 11644, 11648, 12464, 12922, 13832, 14768, 14924, 15808, 15904, 17024, 17056, 17537, 18368, 18886, 20254, 20377, 21584, 21812, 23288, 24928, 25844, 27664, 29536, 29848, 31616, 31808, 34112, 35074, 36736, 37772, 37843, 40508, 40754, 43168, 43624, 46576, 49856, 51688, 55309, 55328, 59072, 59696, 63616, 68224, 70148, 70889, 75544, 75686, 81016, 81508, 86336, 87248, 93152, 99712, 103376, 110618, 110656, 118144, 119392, 122759, 140296, 141778, 151088, 151372, 162032, 163016, 172672, 174496, 186304, 206752, 221236, 221312, 238784, 245518, 264901, 280592, 283556, 302176, 302744, 324064, 326032, 348992, 372608, 387163, 413504, 442472, 477568, 491036, 529802, 561184, 567112, 604352, 605488, 648128, 652064, 697984, 719017, 774326, 827008, 884944, 982072, 1059604, 1122368, 1134224, 1208704, 1210976, 1296256, 1304128, 1438034, 1548652, 1769888, 1964144, 2119208, 2244736, 2268448, 2421952, 2608256, 2876068, 3097304, 3539776, 3928288, 4238416, 4536896, 4843904, 5033119, 5752136, 6194608, 7079552, 7856576, 8476832, 9073792, 10066238, 11504272, 12389216, 15713152, 16953664, 20132476, 23008544, 24778432, 33907328, 40264952, 46017088, 49556864, 80529904, 92034176, 161059808, 322119616, 644239232]

約数ペア:

[(1, 644239232), (2, 322119616), (4, 161059808), (7, 92034176), (8, 80529904), (13, 49556864), (14, 46017088), (16, 40264952), (19, 33907328), (26, 24778432), (28, 23008544), (32, 20132476), (38, 16953664), (41, 15713152), (52, 12389216), (56, 11504272), (64, 10066238), (71, 9073792), (76, 8476832), (82, 7856576), (91, 7079552), (104, 6194608), (112, 5752136), (128, 5033119), (133, 4843904), (142, 4536896), (152, 4238416), (164, 3928288), (182, 3539776), (208, 3097304), (224, 2876068), (247, 2608256), (266, 2421952), (284, 2268448), (287, 2244736), (304, 2119208), (328, 1964144), (364, 1769888), (416, 1548652), (448, 1438034), (494, 1304128), (497, 1296256), (532, 1210976), (533, 1208704), (568, 1134224), (574, 1122368), (608, 1059604), (656, 982072), (728, 884944), (779, 827008), (832, 774326), (896, 719017), (923, 697984), (988, 652064), (994, 648128), (1064, 605488), (1066, 604352), (1136, 567112), (1148, 561184), (1216, 529802), (1312, 491036), (1349, 477568), (1456, 442472), (1558, 413504), (1664, 387163), (1729, 372608), (1846, 348992), (1976, 326032), (1988, 324064), (2128, 302744), (2132, 302176), (2272, 283556), (2296, 280592), (2432, 264901), (2624, 245518), (2698, 238784), (2911, 221312), (2912, 221236), (3116, 206752), (3458, 186304), (3692, 174496), (3731, 172672), (3952, 163016), (3976, 162032), (4256, 151372), (4264, 151088), (4544, 141778), (4592, 140296), (5248, 122759), (5396, 119392), (5453, 118144), (5822, 110656), (5824, 110618), (6232, 103376), (6461, 99712), (6916, 93152), (7384, 87248), (7462, 86336), (7904, 81508), (7952, 81016), (8512, 75686), (8528, 75544), (9088, 70889), (9184, 70148), (9443, 68224), (10127, 63616), (10792, 59696), (10906, 59072), (11644, 55328), (11648, 55309), (12464, 51688), (12922, 49856), (13832, 46576), (14768, 43624), (14924, 43168), (15808, 40754), (15904, 40508), (17024, 37843), (17056, 37772), (17537, 36736), (18368, 35074), (18886, 34112), (20254, 31808), (20377, 31616), (21584, 29848), (21812, 29536), (23288, 27664), (24928, 25844)]