278456256

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{907}}^1$

素因数の和:979

約数の個数: 168

約数和(自身を含む): 881475504

約数和(自身を除く): 603019248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 41, 48, 52, 64, 72, 78, 82, 96, 104, 117, 123, 144, 156, 164, 192, 208, 234, 246, 288, 312, 328, 369, 416, 468, 492, 533, 576, 624, 656, 738, 832, 907, 936, 984, 1066, 1248, 1312, 1476, 1599, 1814, 1872, 1968, 2132, 2496, 2624, 2721, 2952, 3198, 3628, 3744, 3936, 4264, 4797, 5442, 5904, 6396, 7256, 7488, 7872, 8163, 8528, 9594, 10884, 11791, 11808, 12792, 14512, 16326, 17056, 19188, 21768, 23582, 23616, 25584, 29024, 32652, 34112, 35373, 37187, 38376, 43536, 47164, 51168, 58048, 65304, 70746, 74374, 76752, 87072, 94328, 102336, 106119, 111561, 130608, 141492, 148748, 153504, 174144, 188656, 212238, 223122, 261216, 282984, 297496, 307008, 334683, 377312, 424476, 446244, 483431, 522432, 565968, 594992, 669366, 754624, 848952, 892488, 966862, 1131936, 1189984, 1338732, 1450293, 1697904, 1784976, 1933724, 2263872, 2379968, 2677464, 2900586, 3395808, 3569952, 3867448, 4350879, 5354928, 5801172, 6791616, 7139904, 7734896, 8701758, 10709856, 11602344, 15469792, 17403516, 21419712, 23204688, 30939584, 34807032, 46409376, 69614064, 92818752, 139228128, 278456256]

約数ペア:

[(1, 278456256), (2, 139228128), (3, 92818752), (4, 69614064), (6, 46409376), (8, 34807032), (9, 30939584), (12, 23204688), (13, 21419712), (16, 17403516), (18, 15469792), (24, 11602344), (26, 10709856), (32, 8701758), (36, 7734896), (39, 7139904), (41, 6791616), (48, 5801172), (52, 5354928), (64, 4350879), (72, 3867448), (78, 3569952), (82, 3395808), (96, 2900586), (104, 2677464), (117, 2379968), (123, 2263872), (144, 1933724), (156, 1784976), (164, 1697904), (192, 1450293), (208, 1338732), (234, 1189984), (246, 1131936), (288, 966862), (312, 892488), (328, 848952), (369, 754624), (416, 669366), (468, 594992), (492, 565968), (533, 522432), (576, 483431), (624, 446244), (656, 424476), (738, 377312), (832, 334683), (907, 307008), (936, 297496), (984, 282984), (1066, 261216), (1248, 223122), (1312, 212238), (1476, 188656), (1599, 174144), (1814, 153504), (1872, 148748), (1968, 141492), (2132, 130608), (2496, 111561), (2624, 106119), (2721, 102336), (2952, 94328), (3198, 87072), (3628, 76752), (3744, 74374), (3936, 70746), (4264, 65304), (4797, 58048), (5442, 51168), (5904, 47164), (6396, 43536), (7256, 38376), (7488, 37187), (7872, 35373), (8163, 34112), (8528, 32652), (9594, 29024), (10884, 25584), (11791, 23616), (11808, 23582), (12792, 21768), (14512, 19188), (16326, 17056)]