256143888

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1777}}^1$

素因数の和:1822

約数の個数: 240

約数和(自身を含む): 963021696

約数和(自身を除く): 706877808

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 16, 18, 21, 22, 24, 26, 28, 33, 36, 39, 42, 44, 48, 52, 56, 63, 66, 72, 77, 78, 84, 88, 91, 99, 104, 112, 117, 126, 132, 143, 144, 154, 156, 168, 176, 182, 198, 208, 231, 234, 252, 264, 273, 286, 308, 312, 336, 364, 396, 429, 462, 468, 504, 528, 546, 572, 616, 624, 693, 728, 792, 819, 858, 924, 936, 1001, 1008, 1092, 1144, 1232, 1287, 1386, 1456, 1584, 1638, 1716, 1777, 1848, 1872, 2002, 2184, 2288, 2574, 2772, 3003, 3276, 3432, 3554, 3696, 4004, 4368, 5148, 5331, 5544, 6006, 6552, 6864, 7108, 8008, 9009, 10296, 10662, 11088, 12012, 12439, 13104, 14216, 15993, 16016, 18018, 19547, 20592, 21324, 23101, 24024, 24878, 28432, 31986, 36036, 37317, 39094, 42648, 46202, 48048, 49756, 58641, 63972, 69303, 72072, 74634, 78188, 85296, 92404, 99512, 111951, 117282, 127944, 136829, 138606, 144144, 149268, 156376, 161707, 175923, 184808, 199024, 207909, 223902, 234564, 254111, 255888, 273658, 277212, 298536, 312752, 323414, 351846, 369616, 410487, 415818, 447804, 469128, 485121, 508222, 547316, 554424, 597072, 646828, 703692, 762333, 820974, 831636, 895608, 938256, 970242, 1016444, 1094632, 1108848, 1231461, 1293656, 1407384, 1455363, 1524666, 1641948, 1663272, 1778777, 1791216, 1940484, 2032888, 2189264, 2286999, 2462922, 2587312, 2814768, 2910726, 3049332, 3283896, 3326544, 3557554, 3880968, 4065776, 4573998, 4925844, 5336331, 5821452, 6098664, 6567792, 7115108, 7761936, 9147996, 9851688, 10672662, 11642904, 12197328, 14230216, 16008993, 18295992, 19703376, 21345324, 23285808, 28460432, 32017986, 36591984, 42690648, 64035972, 85381296, 128071944, 256143888]

約数ペア:

[(1, 256143888), (2, 128071944), (3, 85381296), (4, 64035972), (6, 42690648), (7, 36591984), (8, 32017986), (9, 28460432), (11, 23285808), (12, 21345324), (13, 19703376), (14, 18295992), (16, 16008993), (18, 14230216), (21, 12197328), (22, 11642904), (24, 10672662), (26, 9851688), (28, 9147996), (33, 7761936), (36, 7115108), (39, 6567792), (42, 6098664), (44, 5821452), (48, 5336331), (52, 4925844), (56, 4573998), (63, 4065776), (66, 3880968), (72, 3557554), (77, 3326544), (78, 3283896), (84, 3049332), (88, 2910726), (91, 2814768), (99, 2587312), (104, 2462922), (112, 2286999), (117, 2189264), (126, 2032888), (132, 1940484), (143, 1791216), (144, 1778777), (154, 1663272), (156, 1641948), (168, 1524666), (176, 1455363), (182, 1407384), (198, 1293656), (208, 1231461), (231, 1108848), (234, 1094632), (252, 1016444), (264, 970242), (273, 938256), (286, 895608), (308, 831636), (312, 820974), (336, 762333), (364, 703692), (396, 646828), (429, 597072), (462, 554424), (468, 547316), (504, 508222), (528, 485121), (546, 469128), (572, 447804), (616, 415818), (624, 410487), (693, 369616), (728, 351846), (792, 323414), (819, 312752), (858, 298536), (924, 277212), (936, 273658), (1001, 255888), (1008, 254111), (1092, 234564), (1144, 223902), (1232, 207909), (1287, 199024), (1386, 184808), (1456, 175923), (1584, 161707), (1638, 156376), (1716, 149268), (1777, 144144), (1848, 138606), (1872, 136829), (2002, 127944), (2184, 117282), (2288, 111951), (2574, 99512), (2772, 92404), (3003, 85296), (3276, 78188), (3432, 74634), (3554, 72072), (3696, 69303), (4004, 63972), (4368, 58641), (5148, 49756), (5331, 48048), (5544, 46202), (6006, 42648), (6552, 39094), (6864, 37317), (7108, 36036), (8008, 31986), (9009, 28432), (10296, 24878), (10662, 24024), (11088, 23101), (12012, 21324), (12439, 20592), (13104, 19547), (14216, 18018), (15993, 16016)]