256560864

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{54541}}^1$

素因数の和:54568

約数の個数: 72

約数和(自身を含む): 783441288

約数和(自身を除く): 526880424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4704, 54541, 109082, 163623, 218164, 327246, 381787, 436328, 654492, 763574, 872656, 1145361, 1308984, 1527148, 1745312, 2290722, 2617968, 2672509, 3054296, 4581444, 5235936, 5345018, 6108592, 8017527, 9162888, 10690036, 12217184, 16035054, 18325776, 21380072, 32070108, 36651552, 42760144, 64140216, 85520288, 128280432, 256560864]

約数ペア:

[(1, 256560864), (2, 128280432), (3, 85520288), (4, 64140216), (6, 42760144), (7, 36651552), (8, 32070108), (12, 21380072), (14, 18325776), (16, 16035054), (21, 12217184), (24, 10690036), (28, 9162888), (32, 8017527), (42, 6108592), (48, 5345018), (49, 5235936), (56, 4581444), (84, 3054296), (96, 2672509), (98, 2617968), (112, 2290722), (147, 1745312), (168, 1527148), (196, 1308984), (224, 1145361), (294, 872656), (336, 763574), (392, 654492), (588, 436328), (672, 381787), (784, 327246), (1176, 218164), (1568, 163623), (2352, 109082), (4704, 54541)]