128663808

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:309

約数の個数: 216

約数和(自身を含む): 430613568

約数和(自身を除く): 301949760

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 49, 52, 56, 64, 78, 84, 91, 96, 98, 104, 112, 128, 147, 156, 168, 182, 192, 196, 208, 224, 256, 263, 273, 294, 312, 336, 364, 384, 392, 416, 448, 526, 546, 588, 624, 637, 672, 728, 768, 784, 789, 832, 896, 1052, 1092, 1176, 1248, 1274, 1344, 1456, 1568, 1578, 1664, 1792, 1841, 1911, 2104, 2184, 2352, 2496, 2548, 2688, 2912, 3136, 3156, 3328, 3419, 3682, 3822, 4208, 4368, 4704, 4992, 5096, 5376, 5523, 5824, 6272, 6312, 6838, 7364, 7644, 8416, 8736, 9408, 9984, 10192, 10257, 11046, 11648, 12544, 12624, 12887, 13676, 14728, 15288, 16832, 17472, 18816, 20384, 20514, 22092, 23296, 23933, 25248, 25774, 27352, 29456, 30576, 33664, 34944, 37632, 38661, 40768, 41028, 44184, 47866, 50496, 51548, 54704, 58912, 61152, 67328, 69888, 71799, 77322, 81536, 82056, 88368, 95732, 100992, 103096, 109408, 117824, 122304, 143598, 154644, 163072, 164112, 167531, 176736, 191464, 201984, 206192, 218816, 235648, 244608, 287196, 309288, 328224, 335062, 353472, 382928, 412384, 437632, 471296, 489216, 502593, 574392, 618576, 656448, 670124, 706944, 765856, 824768, 875264, 1005186, 1148784, 1237152, 1312896, 1340248, 1413888, 1531712, 1649536, 2010372, 2297568, 2474304, 2625792, 2680496, 3063424, 3299072, 4020744, 4595136, 4948608, 5360992, 6126848, 8041488, 9190272, 9897216, 10721984, 16082976, 18380544, 21443968, 32165952, 42887936, 64331904, 128663808]

約数ペア:

[(1, 128663808), (2, 64331904), (3, 42887936), (4, 32165952), (6, 21443968), (7, 18380544), (8, 16082976), (12, 10721984), (13, 9897216), (14, 9190272), (16, 8041488), (21, 6126848), (24, 5360992), (26, 4948608), (28, 4595136), (32, 4020744), (39, 3299072), (42, 3063424), (48, 2680496), (49, 2625792), (52, 2474304), (56, 2297568), (64, 2010372), (78, 1649536), (84, 1531712), (91, 1413888), (96, 1340248), (98, 1312896), (104, 1237152), (112, 1148784), (128, 1005186), (147, 875264), (156, 824768), (168, 765856), (182, 706944), (192, 670124), (196, 656448), (208, 618576), (224, 574392), (256, 502593), (263, 489216), (273, 471296), (294, 437632), (312, 412384), (336, 382928), (364, 353472), (384, 335062), (392, 328224), (416, 309288), (448, 287196), (526, 244608), (546, 235648), (588, 218816), (624, 206192), (637, 201984), (672, 191464), (728, 176736), (768, 167531), (784, 164112), (789, 163072), (832, 154644), (896, 143598), (1052, 122304), (1092, 117824), (1176, 109408), (1248, 103096), (1274, 100992), (1344, 95732), (1456, 88368), (1568, 82056), (1578, 81536), (1664, 77322), (1792, 71799), (1841, 69888), (1911, 67328), (2104, 61152), (2184, 58912), (2352, 54704), (2496, 51548), (2548, 50496), (2688, 47866), (2912, 44184), (3136, 41028), (3156, 40768), (3328, 38661), (3419, 37632), (3682, 34944), (3822, 33664), (4208, 30576), (4368, 29456), (4704, 27352), (4992, 25774), (5096, 25248), (5376, 23933), (5523, 23296), (5824, 22092), (6272, 20514), (6312, 20384), (6838, 18816), (7364, 17472), (7644, 16832), (8416, 15288), (8736, 14728), (9408, 13676), (9984, 12887), (10192, 12624), (10257, 12544), (11046, 11648)]