256292736

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:341

約数の個数: 192

約数和(自身を含む): 810006480

約数和(自身を除く): 553713744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 53, 56, 64, 84, 96, 98, 106, 112, 128, 147, 159, 168, 192, 196, 212, 224, 257, 294, 318, 336, 371, 384, 392, 424, 448, 514, 588, 636, 672, 742, 771, 784, 848, 896, 1028, 1113, 1176, 1272, 1344, 1484, 1542, 1568, 1696, 1799, 2056, 2226, 2352, 2544, 2597, 2688, 2968, 3084, 3136, 3392, 3598, 4112, 4452, 4704, 5088, 5194, 5397, 5936, 6168, 6272, 6784, 7196, 7791, 8224, 8904, 9408, 10176, 10388, 10794, 11872, 12336, 12593, 13621, 14392, 15582, 16448, 17808, 18816, 20352, 20776, 21588, 23744, 24672, 25186, 27242, 28784, 31164, 32896, 35616, 37779, 40863, 41552, 43176, 47488, 49344, 50372, 54484, 57568, 62328, 71232, 75558, 81726, 83104, 86352, 95347, 98688, 100744, 108968, 115136, 124656, 142464, 151116, 163452, 166208, 172704, 190694, 201488, 217936, 230272, 249312, 286041, 302232, 326904, 332416, 345408, 381388, 402976, 435872, 498624, 572082, 604464, 653808, 667429, 690816, 762776, 805952, 871744, 997248, 1144164, 1208928, 1307616, 1334858, 1525552, 1611904, 1743488, 2002287, 2288328, 2417856, 2615232, 2669716, 3051104, 4004574, 4576656, 4835712, 5230464, 5339432, 6102208, 8009148, 9153312, 10678864, 12204416, 16018296, 18306624, 21357728, 32036592, 36613248, 42715456, 64073184, 85430912, 128146368, 256292736]

約数ペア:

[(1, 256292736), (2, 128146368), (3, 85430912), (4, 64073184), (6, 42715456), (7, 36613248), (8, 32036592), (12, 21357728), (14, 18306624), (16, 16018296), (21, 12204416), (24, 10678864), (28, 9153312), (32, 8009148), (42, 6102208), (48, 5339432), (49, 5230464), (53, 4835712), (56, 4576656), (64, 4004574), (84, 3051104), (96, 2669716), (98, 2615232), (106, 2417856), (112, 2288328), (128, 2002287), (147, 1743488), (159, 1611904), (168, 1525552), (192, 1334858), (196, 1307616), (212, 1208928), (224, 1144164), (257, 997248), (294, 871744), (318, 805952), (336, 762776), (371, 690816), (384, 667429), (392, 653808), (424, 604464), (448, 572082), (514, 498624), (588, 435872), (636, 402976), (672, 381388), (742, 345408), (771, 332416), (784, 326904), (848, 302232), (896, 286041), (1028, 249312), (1113, 230272), (1176, 217936), (1272, 201488), (1344, 190694), (1484, 172704), (1542, 166208), (1568, 163452), (1696, 151116), (1799, 142464), (2056, 124656), (2226, 115136), (2352, 108968), (2544, 100744), (2597, 98688), (2688, 95347), (2968, 86352), (3084, 83104), (3136, 81726), (3392, 75558), (3598, 71232), (4112, 62328), (4452, 57568), (4704, 54484), (5088, 50372), (5194, 49344), (5397, 47488), (5936, 43176), (6168, 41552), (6272, 40863), (6784, 37779), (7196, 35616), (7791, 32896), (8224, 31164), (8904, 28784), (9408, 27242), (10176, 25186), (10388, 24672), (10794, 23744), (11872, 21588), (12336, 20776), (12593, 20352), (13621, 18816), (14392, 17808), (15582, 16448)]