256861056

素因数分解:

$2^7\times 3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:396

約数の個数: 128

約数和(自身を含む): 720691200

約数和(自身を除く): 463830144

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 127, 128, 138, 184, 192, 229, 254, 276, 368, 381, 384, 458, 508, 552, 687, 736, 762, 916, 1016, 1104, 1374, 1472, 1524, 1832, 2032, 2208, 2748, 2921, 2944, 3048, 3664, 4064, 4416, 5267, 5496, 5842, 6096, 7328, 8128, 8763, 8832, 10534, 10992, 11684, 12192, 14656, 15801, 16256, 17526, 21068, 21984, 23368, 24384, 29083, 29312, 31602, 35052, 42136, 43968, 46736, 48768, 58166, 63204, 70104, 84272, 87249, 87936, 93472, 116332, 126408, 140208, 168544, 174498, 186944, 232664, 252816, 280416, 337088, 348996, 373888, 465328, 505632, 560832, 668909, 674176, 697992, 930656, 1011264, 1121664, 1337818, 1395984, 1861312, 2006727, 2022528, 2675636, 2791968, 3722624, 4013454, 5351272, 5583936, 8026908, 10702544, 11167872, 16053816, 21405088, 32107632, 42810176, 64215264, 85620352, 128430528, 256861056]

約数ペア:

[(1, 256861056), (2, 128430528), (3, 85620352), (4, 64215264), (6, 42810176), (8, 32107632), (12, 21405088), (16, 16053816), (23, 11167872), (24, 10702544), (32, 8026908), (46, 5583936), (48, 5351272), (64, 4013454), (69, 3722624), (92, 2791968), (96, 2675636), (127, 2022528), (128, 2006727), (138, 1861312), (184, 1395984), (192, 1337818), (229, 1121664), (254, 1011264), (276, 930656), (368, 697992), (381, 674176), (384, 668909), (458, 560832), (508, 505632), (552, 465328), (687, 373888), (736, 348996), (762, 337088), (916, 280416), (1016, 252816), (1104, 232664), (1374, 186944), (1472, 174498), (1524, 168544), (1832, 140208), (2032, 126408), (2208, 116332), (2748, 93472), (2921, 87936), (2944, 87249), (3048, 84272), (3664, 70104), (4064, 63204), (4416, 58166), (5267, 48768), (5496, 46736), (5842, 43968), (6096, 42136), (7328, 35052), (8128, 31602), (8763, 29312), (8832, 29083), (10534, 24384), (10992, 23368), (11684, 21984), (12192, 21068), (14656, 17526), (15801, 16256)]