777314720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:503

約数の個数: 192

約数和(自身を含む): 2280047616

約数和(自身を除く): 1502732896

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 197, 208, 224, 260, 271, 280, 364, 394, 416, 455, 520, 542, 560, 728, 788, 910, 985, 1040, 1084, 1120, 1355, 1379, 1456, 1576, 1820, 1897, 1970, 2080, 2168, 2561, 2710, 2758, 2912, 3152, 3523, 3640, 3794, 3940, 4336, 5122, 5420, 5516, 6304, 6895, 7046, 7280, 7588, 7880, 8672, 9485, 10244, 10840, 11032, 12805, 13790, 14092, 14560, 15176, 15760, 17615, 17927, 18970, 20488, 21680, 22064, 24661, 25610, 27580, 28184, 30352, 31520, 35230, 35854, 37940, 40976, 43360, 44128, 49322, 51220, 53387, 55160, 56368, 60704, 70460, 71708, 75880, 81952, 89635, 98644, 102440, 106774, 110320, 112736, 123305, 140920, 143416, 151760, 179270, 197288, 204880, 213548, 220640, 246610, 266935, 281840, 286832, 303520, 358540, 373709, 394576, 409760, 427096, 493220, 533870, 563680, 573664, 694031, 717080, 747418, 789152, 854192, 986440, 1067740, 1388062, 1434160, 1494836, 1708384, 1868545, 1972880, 2135480, 2776124, 2868320, 2989672, 3470155, 3737090, 3945760, 4270960, 4858217, 5552248, 5979344, 6940310, 7474180, 8541920, 9716434, 11104496, 11958688, 13880620, 14948360, 19432868, 22208992, 24291085, 27761240, 29896720, 38865736, 48582170, 55522480, 59793440, 77731472, 97164340, 111044960, 155462944, 194328680, 388657360, 777314720]

約数ペア:

[(1, 777314720), (2, 388657360), (4, 194328680), (5, 155462944), (7, 111044960), (8, 97164340), (10, 77731472), (13, 59793440), (14, 55522480), (16, 48582170), (20, 38865736), (26, 29896720), (28, 27761240), (32, 24291085), (35, 22208992), (40, 19432868), (52, 14948360), (56, 13880620), (65, 11958688), (70, 11104496), (80, 9716434), (91, 8541920), (104, 7474180), (112, 6940310), (130, 5979344), (140, 5552248), (160, 4858217), (182, 4270960), (197, 3945760), (208, 3737090), (224, 3470155), (260, 2989672), (271, 2868320), (280, 2776124), (364, 2135480), (394, 1972880), (416, 1868545), (455, 1708384), (520, 1494836), (542, 1434160), (560, 1388062), (728, 1067740), (788, 986440), (910, 854192), (985, 789152), (1040, 747418), (1084, 717080), (1120, 694031), (1355, 573664), (1379, 563680), (1456, 533870), (1576, 493220), (1820, 427096), (1897, 409760), (1970, 394576), (2080, 373709), (2168, 358540), (2561, 303520), (2710, 286832), (2758, 281840), (2912, 266935), (3152, 246610), (3523, 220640), (3640, 213548), (3794, 204880), (3940, 197288), (4336, 179270), (5122, 151760), (5420, 143416), (5516, 140920), (6304, 123305), (6895, 112736), (7046, 110320), (7280, 106774), (7588, 102440), (7880, 98644), (8672, 89635), (9485, 81952), (10244, 75880), (10840, 71708), (11032, 70460), (12805, 60704), (13790, 56368), (14092, 55160), (14560, 53387), (15176, 51220), (15760, 49322), (17615, 44128), (17927, 43360), (18970, 40976), (20488, 37940), (21680, 35854), (22064, 35230), (24661, 31520), (25610, 30352), (27580, 28184)]