820147328

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 256

約数和(自身を含む): 2266064640

約数和(自身を除く): 1445917312

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 37, 44, 52, 56, 64, 74, 77, 88, 91, 104, 112, 128, 143, 148, 154, 173, 176, 182, 208, 224, 259, 286, 296, 308, 346, 352, 364, 407, 416, 448, 481, 518, 572, 592, 616, 692, 704, 728, 814, 832, 896, 962, 1001, 1036, 1144, 1184, 1211, 1232, 1384, 1408, 1456, 1628, 1664, 1903, 1924, 2002, 2072, 2249, 2288, 2368, 2422, 2464, 2768, 2849, 2912, 3256, 3367, 3806, 3848, 4004, 4144, 4498, 4576, 4736, 4844, 4928, 5291, 5536, 5698, 5824, 6401, 6512, 6734, 7612, 7696, 8008, 8288, 8996, 9152, 9688, 9856, 10582, 11072, 11396, 11648, 12802, 13024, 13321, 13468, 15224, 15392, 15743, 16016, 16576, 17992, 18304, 19376, 21164, 22144, 22792, 24739, 25604, 26048, 26642, 26936, 30448, 30784, 31486, 32032, 33152, 35984, 37037, 38752, 42328, 44807, 45584, 49478, 51208, 52096, 53284, 53872, 60896, 61568, 62972, 64064, 70411, 71968, 74074, 77504, 83213, 84656, 89614, 91168, 98956, 102416, 106568, 107744, 121792, 125944, 128128, 140822, 143936, 148148, 155008, 166426, 169312, 173173, 179228, 182336, 197912, 204832, 213136, 215488, 243584, 251888, 281644, 287872, 296296, 332852, 338624, 346346, 358456, 364672, 395824, 409664, 426272, 430976, 492877, 503776, 563288, 582491, 592592, 665704, 677248, 692692, 716912, 791648, 819328, 852544, 915343, 985754, 1007552, 1126576, 1164982, 1185184, 1331408, 1385384, 1433824, 1583296, 1705088, 1830686, 1971508, 2015104, 2253152, 2329964, 2370368, 2662816, 2770768, 2867648, 3166592, 3661372, 3943016, 4506304, 4659928, 4740736, 5325632, 5541536, 5735296, 6407401, 7322744, 7886032, 9012608, 9319856, 10651264, 11083072, 12814802, 14645488, 15772064, 18639712, 22166144, 25629604, 29290976, 31544128, 37279424, 51259208, 58581952, 63088256, 74558848, 102518416, 117163904, 205036832, 410073664, 820147328]

約数ペア:

[(1, 820147328), (2, 410073664), (4, 205036832), (7, 117163904), (8, 102518416), (11, 74558848), (13, 63088256), (14, 58581952), (16, 51259208), (22, 37279424), (26, 31544128), (28, 29290976), (32, 25629604), (37, 22166144), (44, 18639712), (52, 15772064), (56, 14645488), (64, 12814802), (74, 11083072), (77, 10651264), (88, 9319856), (91, 9012608), (104, 7886032), (112, 7322744), (128, 6407401), (143, 5735296), (148, 5541536), (154, 5325632), (173, 4740736), (176, 4659928), (182, 4506304), (208, 3943016), (224, 3661372), (259, 3166592), (286, 2867648), (296, 2770768), (308, 2662816), (346, 2370368), (352, 2329964), (364, 2253152), (407, 2015104), (416, 1971508), (448, 1830686), (481, 1705088), (518, 1583296), (572, 1433824), (592, 1385384), (616, 1331408), (692, 1185184), (704, 1164982), (728, 1126576), (814, 1007552), (832, 985754), (896, 915343), (962, 852544), (1001, 819328), (1036, 791648), (1144, 716912), (1184, 692692), (1211, 677248), (1232, 665704), (1384, 592592), (1408, 582491), (1456, 563288), (1628, 503776), (1664, 492877), (1903, 430976), (1924, 426272), (2002, 409664), (2072, 395824), (2249, 364672), (2288, 358456), (2368, 346346), (2422, 338624), (2464, 332852), (2768, 296296), (2849, 287872), (2912, 281644), (3256, 251888), (3367, 243584), (3806, 215488), (3848, 213136), (4004, 204832), (4144, 197912), (4498, 182336), (4576, 179228), (4736, 173173), (4844, 169312), (4928, 166426), (5291, 155008), (5536, 148148), (5698, 143936), (5824, 140822), (6401, 128128), (6512, 125944), (6734, 121792), (7612, 107744), (7696, 106568), (8008, 102416), (8288, 98956), (8996, 91168), (9152, 89614), (9688, 84656), (9856, 83213), (10582, 77504), (11072, 74074), (11396, 71968), (11648, 70411), (12802, 64064), (13024, 62972), (13321, 61568), (13468, 60896), (15224, 53872), (15392, 53284), (15743, 52096), (16016, 51208), (16576, 49478), (17992, 45584), (18304, 44807), (19376, 42328), (21164, 38752), (22144, 37037), (22792, 35984), (24739, 33152), (25604, 32032), (26048, 31486), (26642, 30784), (26936, 30448)]