256741248

素因数分解:

$2^7\times 3^1\times {\mathrm{439}}^1\times {\mathrm{1523}}^1$

素因数の和:1979

約数の個数: 64

約数和(自身を含む): 683971200

約数和(自身を除く): 427229952

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 439, 878, 1317, 1523, 1756, 2634, 3046, 3512, 4569, 5268, 6092, 7024, 9138, 10536, 12184, 14048, 18276, 21072, 24368, 28096, 36552, 42144, 48736, 56192, 73104, 84288, 97472, 146208, 168576, 194944, 292416, 584832, 668597, 1337194, 2005791, 2674388, 4011582, 5348776, 8023164, 10697552, 16046328, 21395104, 32092656, 42790208, 64185312, 85580416, 128370624, 256741248]

約数ペア:

[(1, 256741248), (2, 128370624), (3, 85580416), (4, 64185312), (6, 42790208), (8, 32092656), (12, 21395104), (16, 16046328), (24, 10697552), (32, 8023164), (48, 5348776), (64, 4011582), (96, 2674388), (128, 2005791), (192, 1337194), (384, 668597), (439, 584832), (878, 292416), (1317, 194944), (1523, 168576), (1756, 146208), (2634, 97472), (3046, 84288), (3512, 73104), (4569, 56192), (5268, 48736), (6092, 42144), (7024, 36552), (9138, 28096), (10536, 24368), (12184, 21072), (14048, 18276)]