128451456

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{937}}^1$

素因数の和:981

約数の個数: 192

約数和(自身を含む): 447763680

約数和(自身を除く): 319312224

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 32, 34, 36, 42, 48, 51, 56, 63, 64, 68, 72, 84, 96, 102, 112, 119, 126, 128, 136, 144, 153, 168, 192, 204, 224, 238, 252, 272, 288, 306, 336, 357, 384, 408, 448, 476, 504, 544, 576, 612, 672, 714, 816, 896, 937, 952, 1008, 1071, 1088, 1152, 1224, 1344, 1428, 1632, 1874, 1904, 2016, 2142, 2176, 2448, 2688, 2811, 2856, 3264, 3748, 3808, 4032, 4284, 4896, 5622, 5712, 6528, 6559, 7496, 7616, 8064, 8433, 8568, 9792, 11244, 11424, 13118, 14992, 15232, 15929, 16866, 17136, 19584, 19677, 22488, 22848, 26236, 29984, 31858, 33732, 34272, 39354, 44976, 45696, 47787, 52472, 59031, 59968, 63716, 67464, 68544, 78708, 89952, 95574, 104944, 111503, 118062, 119936, 127432, 134928, 137088, 143361, 157416, 179904, 191148, 209888, 223006, 236124, 254864, 269856, 286722, 314832, 334509, 359808, 382296, 419776, 446012, 472248, 509728, 539712, 573444, 629664, 669018, 764592, 839552, 892024, 944496, 1003527, 1019456, 1079424, 1146888, 1259328, 1338036, 1529184, 1784048, 1888992, 2007054, 2038912, 2293776, 2518656, 2676072, 3058368, 3568096, 3777984, 4014108, 4587552, 5352144, 6116736, 7136192, 7555968, 8028216, 9175104, 10704288, 14272384, 16056432, 18350208, 21408576, 32112864, 42817152, 64225728, 128451456]

約数ペア:

[(1, 128451456), (2, 64225728), (3, 42817152), (4, 32112864), (6, 21408576), (7, 18350208), (8, 16056432), (9, 14272384), (12, 10704288), (14, 9175104), (16, 8028216), (17, 7555968), (18, 7136192), (21, 6116736), (24, 5352144), (28, 4587552), (32, 4014108), (34, 3777984), (36, 3568096), (42, 3058368), (48, 2676072), (51, 2518656), (56, 2293776), (63, 2038912), (64, 2007054), (68, 1888992), (72, 1784048), (84, 1529184), (96, 1338036), (102, 1259328), (112, 1146888), (119, 1079424), (126, 1019456), (128, 1003527), (136, 944496), (144, 892024), (153, 839552), (168, 764592), (192, 669018), (204, 629664), (224, 573444), (238, 539712), (252, 509728), (272, 472248), (288, 446012), (306, 419776), (336, 382296), (357, 359808), (384, 334509), (408, 314832), (448, 286722), (476, 269856), (504, 254864), (544, 236124), (576, 223006), (612, 209888), (672, 191148), (714, 179904), (816, 157416), (896, 143361), (937, 137088), (952, 134928), (1008, 127432), (1071, 119936), (1088, 118062), (1152, 111503), (1224, 104944), (1344, 95574), (1428, 89952), (1632, 78708), (1874, 68544), (1904, 67464), (2016, 63716), (2142, 59968), (2176, 59031), (2448, 52472), (2688, 47787), (2811, 45696), (2856, 44976), (3264, 39354), (3748, 34272), (3808, 33732), (4032, 31858), (4284, 29984), (4896, 26236), (5622, 22848), (5712, 22488), (6528, 19677), (6559, 19584), (7496, 17136), (7616, 16866), (8064, 15929), (8433, 15232), (8568, 14992), (9792, 13118), (11244, 11424)]