256601856

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{809}}^1$

素因数の和:894

約数の個数: 144

約数和(自身を含む): 794707200

約数和(自身を除く): 538105344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 59, 64, 84, 96, 112, 118, 128, 168, 177, 192, 224, 236, 256, 336, 354, 384, 413, 448, 472, 672, 708, 768, 809, 826, 896, 944, 1239, 1344, 1416, 1618, 1652, 1792, 1888, 2427, 2478, 2688, 2832, 3236, 3304, 3776, 4854, 4956, 5376, 5663, 5664, 6472, 6608, 7552, 9708, 9912, 11326, 11328, 12944, 13216, 15104, 16989, 19416, 19824, 22652, 22656, 25888, 26432, 33978, 38832, 39648, 45304, 45312, 47731, 51776, 52864, 67956, 77664, 79296, 90608, 95462, 103552, 105728, 135912, 143193, 155328, 158592, 181216, 190924, 207104, 271824, 286386, 310656, 317184, 334117, 362432, 381848, 543648, 572772, 621312, 668234, 724864, 763696, 1002351, 1087296, 1145544, 1336468, 1449728, 1527392, 2004702, 2174592, 2291088, 2672936, 3054784, 4009404, 4349184, 4582176, 5345872, 6109568, 8018808, 9164352, 10691744, 12219136, 16037616, 18328704, 21383488, 32075232, 36657408, 42766976, 64150464, 85533952, 128300928, 256601856]

約数ペア:

[(1, 256601856), (2, 128300928), (3, 85533952), (4, 64150464), (6, 42766976), (7, 36657408), (8, 32075232), (12, 21383488), (14, 18328704), (16, 16037616), (21, 12219136), (24, 10691744), (28, 9164352), (32, 8018808), (42, 6109568), (48, 5345872), (56, 4582176), (59, 4349184), (64, 4009404), (84, 3054784), (96, 2672936), (112, 2291088), (118, 2174592), (128, 2004702), (168, 1527392), (177, 1449728), (192, 1336468), (224, 1145544), (236, 1087296), (256, 1002351), (336, 763696), (354, 724864), (384, 668234), (413, 621312), (448, 572772), (472, 543648), (672, 381848), (708, 362432), (768, 334117), (809, 317184), (826, 310656), (896, 286386), (944, 271824), (1239, 207104), (1344, 190924), (1416, 181216), (1618, 158592), (1652, 155328), (1792, 143193), (1888, 135912), (2427, 105728), (2478, 103552), (2688, 95462), (2832, 90608), (3236, 79296), (3304, 77664), (3776, 67956), (4854, 52864), (4956, 51776), (5376, 47731), (5663, 45312), (5664, 45304), (6472, 39648), (6608, 38832), (7552, 33978), (9708, 26432), (9912, 25888), (11326, 22656), (11328, 22652), (12944, 19824), (13216, 19416), (15104, 16989)]