2640694784

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:233

約数の個数: 240

約数和(自身を含む): 6897246048

約数和(自身を除く): 4256551264

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 91, 104, 112, 128, 133, 152, 157, 182, 208, 224, 247, 256, 266, 304, 314, 361, 364, 416, 448, 494, 512, 532, 608, 628, 722, 728, 832, 896, 988, 1064, 1099, 1216, 1256, 1444, 1456, 1664, 1729, 1792, 1976, 2041, 2128, 2198, 2432, 2512, 2527, 2888, 2912, 2983, 3328, 3458, 3584, 3952, 4082, 4256, 4396, 4693, 4864, 5024, 5054, 5776, 5824, 5966, 6656, 6916, 7904, 8164, 8512, 8792, 9386, 9728, 10048, 10108, 11552, 11648, 11932, 13832, 14287, 15808, 16328, 17024, 17584, 18772, 20096, 20216, 20881, 23104, 23296, 23864, 27664, 28574, 31616, 32656, 32851, 34048, 35168, 37544, 38779, 40192, 40432, 41762, 46208, 46592, 47728, 55328, 56677, 57148, 63232, 65312, 65702, 68096, 70336, 75088, 77558, 80384, 80864, 83524, 92416, 95456, 110656, 113354, 114296, 126464, 130624, 131404, 140672, 150176, 155116, 161728, 167048, 184832, 190912, 221312, 226708, 228592, 261248, 262808, 271453, 281344, 300352, 310232, 323456, 334096, 381824, 396739, 442624, 453416, 457184, 522496, 525616, 542906, 562688, 600704, 620464, 646912, 668192, 736801, 763648, 793478, 885248, 906832, 914368, 1044992, 1051232, 1085812, 1201408, 1240928, 1293824, 1336384, 1473602, 1527296, 1586956, 1813664, 1828736, 2102464, 2171624, 2402816, 2481856, 2672768, 2947204, 3173912, 3627328, 3657472, 4204928, 4343248, 4963712, 5157607, 5345536, 5894408, 6347824, 7254656, 7314944, 8409856, 8686496, 9927424, 10315214, 10691072, 11788816, 12695648, 14509312, 16819712, 17372992, 19854848, 20630428, 23577632, 25391296, 29018624, 34745984, 41260856, 47155264, 50782592, 69491968, 82521712, 94310528, 101565184, 138983936, 165043424, 188621056, 203130368, 330086848, 377242112, 660173696, 1320347392, 2640694784]

約数ペア:

[(1, 2640694784), (2, 1320347392), (4, 660173696), (7, 377242112), (8, 330086848), (13, 203130368), (14, 188621056), (16, 165043424), (19, 138983936), (26, 101565184), (28, 94310528), (32, 82521712), (38, 69491968), (52, 50782592), (56, 47155264), (64, 41260856), (76, 34745984), (91, 29018624), (104, 25391296), (112, 23577632), (128, 20630428), (133, 19854848), (152, 17372992), (157, 16819712), (182, 14509312), (208, 12695648), (224, 11788816), (247, 10691072), (256, 10315214), (266, 9927424), (304, 8686496), (314, 8409856), (361, 7314944), (364, 7254656), (416, 6347824), (448, 5894408), (494, 5345536), (512, 5157607), (532, 4963712), (608, 4343248), (628, 4204928), (722, 3657472), (728, 3627328), (832, 3173912), (896, 2947204), (988, 2672768), (1064, 2481856), (1099, 2402816), (1216, 2171624), (1256, 2102464), (1444, 1828736), (1456, 1813664), (1664, 1586956), (1729, 1527296), (1792, 1473602), (1976, 1336384), (2041, 1293824), (2128, 1240928), (2198, 1201408), (2432, 1085812), (2512, 1051232), (2527, 1044992), (2888, 914368), (2912, 906832), (2983, 885248), (3328, 793478), (3458, 763648), (3584, 736801), (3952, 668192), (4082, 646912), (4256, 620464), (4396, 600704), (4693, 562688), (4864, 542906), (5024, 525616), (5054, 522496), (5776, 457184), (5824, 453416), (5966, 442624), (6656, 396739), (6916, 381824), (7904, 334096), (8164, 323456), (8512, 310232), (8792, 300352), (9386, 281344), (9728, 271453), (10048, 262808), (10108, 261248), (11552, 228592), (11648, 226708), (11932, 221312), (13832, 190912), (14287, 184832), (15808, 167048), (16328, 161728), (17024, 155116), (17584, 150176), (18772, 140672), (20096, 131404), (20216, 130624), (20881, 126464), (23104, 114296), (23296, 113354), (23864, 110656), (27664, 95456), (28574, 92416), (31616, 83524), (32656, 80864), (32851, 80384), (34048, 77558), (35168, 75088), (37544, 70336), (38779, 68096), (40192, 65702), (40432, 65312), (41762, 63232), (46208, 57148), (46592, 56677), (47728, 55328)]