278781696

素因数分解:

$2^8\times 3^3\times {\mathrm{53}}^1\times {\mathrm{761}}^1$

素因数の和:839

約数の個数: 144

約数和(自身を含む): 841065120

約数和(自身を除く): 562283424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 53, 54, 64, 72, 96, 106, 108, 128, 144, 159, 192, 212, 216, 256, 288, 318, 384, 424, 432, 477, 576, 636, 761, 768, 848, 864, 954, 1152, 1272, 1431, 1522, 1696, 1728, 1908, 2283, 2304, 2544, 2862, 3044, 3392, 3456, 3816, 4566, 5088, 5724, 6088, 6784, 6849, 6912, 7632, 9132, 10176, 11448, 12176, 13568, 13698, 15264, 18264, 20352, 20547, 22896, 24352, 27396, 30528, 36528, 40333, 40704, 41094, 45792, 48704, 54792, 61056, 73056, 80666, 82188, 91584, 97408, 109584, 120999, 122112, 146112, 161332, 164376, 183168, 194816, 219168, 241998, 292224, 322664, 328752, 362997, 366336, 438336, 483996, 584448, 645328, 657504, 725994, 876672, 967992, 1088991, 1290656, 1315008, 1451988, 1753344, 1935984, 2177982, 2581312, 2630016, 2903976, 3871968, 4355964, 5162624, 5260032, 5807952, 7743936, 8711928, 10325248, 11615904, 15487872, 17423856, 23231808, 30975744, 34847712, 46463616, 69695424, 92927232, 139390848, 278781696]

約数ペア:

[(1, 278781696), (2, 139390848), (3, 92927232), (4, 69695424), (6, 46463616), (8, 34847712), (9, 30975744), (12, 23231808), (16, 17423856), (18, 15487872), (24, 11615904), (27, 10325248), (32, 8711928), (36, 7743936), (48, 5807952), (53, 5260032), (54, 5162624), (64, 4355964), (72, 3871968), (96, 2903976), (106, 2630016), (108, 2581312), (128, 2177982), (144, 1935984), (159, 1753344), (192, 1451988), (212, 1315008), (216, 1290656), (256, 1088991), (288, 967992), (318, 876672), (384, 725994), (424, 657504), (432, 645328), (477, 584448), (576, 483996), (636, 438336), (761, 366336), (768, 362997), (848, 328752), (864, 322664), (954, 292224), (1152, 241998), (1272, 219168), (1431, 194816), (1522, 183168), (1696, 164376), (1728, 161332), (1908, 146112), (2283, 122112), (2304, 120999), (2544, 109584), (2862, 97408), (3044, 91584), (3392, 82188), (3456, 80666), (3816, 73056), (4566, 61056), (5088, 54792), (5724, 48704), (6088, 45792), (6784, 41094), (6849, 40704), (6912, 40333), (7632, 36528), (9132, 30528), (10176, 27396), (11448, 24352), (12176, 22896), (13568, 20547), (13698, 20352), (15264, 18264)]