643646016

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2073

約数の個数: 168

約数和(自身を含む): 2034032000

約数和(自身を除く): 1390385984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 43, 48, 52, 64, 72, 78, 86, 96, 104, 117, 129, 144, 156, 172, 192, 208, 234, 258, 288, 312, 344, 387, 416, 468, 516, 559, 576, 624, 688, 774, 832, 936, 1032, 1118, 1248, 1376, 1548, 1677, 1872, 1999, 2064, 2236, 2496, 2752, 3096, 3354, 3744, 3998, 4128, 4472, 5031, 5997, 6192, 6708, 7488, 7996, 8256, 8944, 10062, 11994, 12384, 13416, 15992, 17888, 17991, 20124, 23988, 24768, 25987, 26832, 31984, 35776, 35982, 40248, 47976, 51974, 53664, 63968, 71964, 77961, 80496, 85957, 95952, 103948, 107328, 127936, 143928, 155922, 160992, 171914, 191904, 207896, 233883, 257871, 287856, 311844, 321984, 343828, 383808, 415792, 467766, 515742, 575712, 623688, 687656, 773613, 831584, 935532, 1031484, 1117441, 1151424, 1247376, 1375312, 1547226, 1663168, 1871064, 2062968, 2234882, 2494752, 2750624, 3094452, 3352323, 3742128, 4125936, 4469764, 4989504, 5501248, 6188904, 6704646, 7484256, 8251872, 8939528, 10056969, 12377808, 13409292, 14968512, 16503744, 17879056, 20113938, 24755616, 26818584, 35758112, 40227876, 49511232, 53637168, 71516224, 80455752, 107274336, 160911504, 214548672, 321823008, 643646016]

約数ペア:

[(1, 643646016), (2, 321823008), (3, 214548672), (4, 160911504), (6, 107274336), (8, 80455752), (9, 71516224), (12, 53637168), (13, 49511232), (16, 40227876), (18, 35758112), (24, 26818584), (26, 24755616), (32, 20113938), (36, 17879056), (39, 16503744), (43, 14968512), (48, 13409292), (52, 12377808), (64, 10056969), (72, 8939528), (78, 8251872), (86, 7484256), (96, 6704646), (104, 6188904), (117, 5501248), (129, 4989504), (144, 4469764), (156, 4125936), (172, 3742128), (192, 3352323), (208, 3094452), (234, 2750624), (258, 2494752), (288, 2234882), (312, 2062968), (344, 1871064), (387, 1663168), (416, 1547226), (468, 1375312), (516, 1247376), (559, 1151424), (576, 1117441), (624, 1031484), (688, 935532), (774, 831584), (832, 773613), (936, 687656), (1032, 623688), (1118, 575712), (1248, 515742), (1376, 467766), (1548, 415792), (1677, 383808), (1872, 343828), (1999, 321984), (2064, 311844), (2236, 287856), (2496, 257871), (2752, 233883), (3096, 207896), (3354, 191904), (3744, 171914), (3998, 160992), (4128, 155922), (4472, 143928), (5031, 127936), (5997, 107328), (6192, 103948), (6708, 95952), (7488, 85957), (7996, 80496), (8256, 77961), (8944, 71964), (10062, 63968), (11994, 53664), (12384, 51974), (13416, 47976), (15992, 40248), (17888, 35982), (17991, 35776), (20124, 31984), (23988, 26832), (24768, 25987)]