256330368

素因数分解:

$2^7\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:292

約数の個数: 288

約数和(自身を含む): 906984000

約数和(自身を除く): 650653632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 49, 56, 57, 63, 64, 72, 76, 84, 96, 98, 112, 114, 126, 128, 133, 144, 147, 152, 168, 171, 192, 196, 224, 228, 239, 252, 266, 288, 294, 304, 336, 342, 384, 392, 399, 441, 448, 456, 478, 504, 532, 576, 588, 608, 672, 684, 717, 784, 798, 882, 896, 912, 931, 956, 1008, 1064, 1152, 1176, 1197, 1216, 1344, 1368, 1434, 1568, 1596, 1673, 1764, 1824, 1862, 1912, 2016, 2128, 2151, 2352, 2394, 2432, 2688, 2736, 2793, 2868, 3136, 3192, 3346, 3528, 3648, 3724, 3824, 4032, 4256, 4302, 4541, 4704, 4788, 5019, 5472, 5586, 5736, 6272, 6384, 6692, 7056, 7296, 7448, 7648, 8064, 8379, 8512, 8604, 9082, 9408, 9576, 10038, 10944, 11172, 11472, 11711, 12768, 13384, 13623, 14112, 14896, 15057, 15296, 16758, 17024, 17208, 18164, 18816, 19152, 20076, 21888, 22344, 22944, 23422, 25536, 26768, 27246, 28224, 29792, 30114, 30592, 31787, 33516, 34416, 35133, 36328, 38304, 40152, 40869, 44688, 45888, 46844, 51072, 53536, 54492, 56448, 59584, 60228, 63574, 67032, 68832, 70266, 72656, 76608, 80304, 81738, 89376, 91776, 93688, 95361, 105399, 107072, 108984, 119168, 120456, 127148, 134064, 137664, 140532, 145312, 153216, 160608, 163476, 178752, 187376, 190722, 210798, 214144, 217968, 222509, 240912, 254296, 268128, 275328, 281064, 286083, 290624, 321216, 326952, 357504, 374752, 381444, 421596, 435936, 445018, 481824, 508592, 536256, 562128, 572166, 581248, 642432, 653904, 667527, 749504, 762888, 843192, 871872, 890036, 963648, 1017184, 1072512, 1124256, 1144332, 1307808, 1335054, 1499008, 1525776, 1686384, 1743744, 1780072, 1927296, 2002581, 2034368, 2248512, 2288664, 2615616, 2670108, 3051552, 3372768, 3560144, 4005162, 4068736, 4497024, 4577328, 5231232, 5340216, 6103104, 6745536, 7120288, 8010324, 9154656, 10680432, 12206208, 13491072, 14240576, 16020648, 18309312, 21360864, 28481152, 32041296, 36618624, 42721728, 64082592, 85443456, 128165184, 256330368]

約数ペア:

[(1, 256330368), (2, 128165184), (3, 85443456), (4, 64082592), (6, 42721728), (7, 36618624), (8, 32041296), (9, 28481152), (12, 21360864), (14, 18309312), (16, 16020648), (18, 14240576), (19, 13491072), (21, 12206208), (24, 10680432), (28, 9154656), (32, 8010324), (36, 7120288), (38, 6745536), (42, 6103104), (48, 5340216), (49, 5231232), (56, 4577328), (57, 4497024), (63, 4068736), (64, 4005162), (72, 3560144), (76, 3372768), (84, 3051552), (96, 2670108), (98, 2615616), (112, 2288664), (114, 2248512), (126, 2034368), (128, 2002581), (133, 1927296), (144, 1780072), (147, 1743744), (152, 1686384), (168, 1525776), (171, 1499008), (192, 1335054), (196, 1307808), (224, 1144332), (228, 1124256), (239, 1072512), (252, 1017184), (266, 963648), (288, 890036), (294, 871872), (304, 843192), (336, 762888), (342, 749504), (384, 667527), (392, 653904), (399, 642432), (441, 581248), (448, 572166), (456, 562128), (478, 536256), (504, 508592), (532, 481824), (576, 445018), (588, 435936), (608, 421596), (672, 381444), (684, 374752), (717, 357504), (784, 326952), (798, 321216), (882, 290624), (896, 286083), (912, 281064), (931, 275328), (956, 268128), (1008, 254296), (1064, 240912), (1152, 222509), (1176, 217968), (1197, 214144), (1216, 210798), (1344, 190722), (1368, 187376), (1434, 178752), (1568, 163476), (1596, 160608), (1673, 153216), (1764, 145312), (1824, 140532), (1862, 137664), (1912, 134064), (2016, 127148), (2128, 120456), (2151, 119168), (2352, 108984), (2394, 107072), (2432, 105399), (2688, 95361), (2736, 93688), (2793, 91776), (2868, 89376), (3136, 81738), (3192, 80304), (3346, 76608), (3528, 72656), (3648, 70266), (3724, 68832), (3824, 67032), (4032, 63574), (4256, 60228), (4302, 59584), (4541, 56448), (4704, 54492), (4788, 53536), (5019, 51072), (5472, 46844), (5586, 45888), (5736, 44688), (6272, 40869), (6384, 40152), (6692, 38304), (7056, 36328), (7296, 35133), (7448, 34416), (7648, 33516), (8064, 31787), (8379, 30592), (8512, 30114), (8604, 29792), (9082, 28224), (9408, 27246), (9576, 26768), (10038, 25536), (10944, 23422), (11172, 22944), (11472, 22344), (11711, 21888), (12768, 20076), (13384, 19152), (13623, 18816), (14112, 18164), (14896, 17208), (15057, 17024), (15296, 16758)]