256105152

素因数分解:

$2^6\times 3^4\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:540

約数の個数: 140

約数和(自身を含む): 767120640

約数和(自身を除く): 511015488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 127, 144, 162, 192, 216, 254, 288, 324, 381, 389, 432, 508, 576, 648, 762, 778, 864, 1016, 1143, 1167, 1296, 1524, 1556, 1728, 2032, 2286, 2334, 2592, 3048, 3112, 3429, 3501, 4064, 4572, 4668, 5184, 6096, 6224, 6858, 7002, 8128, 9144, 9336, 10287, 10503, 12192, 12448, 13716, 14004, 18288, 18672, 20574, 21006, 24384, 24896, 27432, 28008, 31509, 36576, 37344, 41148, 42012, 49403, 54864, 56016, 63018, 73152, 74688, 82296, 84024, 98806, 109728, 112032, 126036, 148209, 164592, 168048, 197612, 219456, 224064, 252072, 296418, 329184, 336096, 395224, 444627, 504144, 592836, 658368, 672192, 790448, 889254, 1008288, 1185672, 1333881, 1580896, 1778508, 2016576, 2371344, 2667762, 3161792, 3557016, 4001643, 4742688, 5335524, 7114032, 8003286, 9485376, 10671048, 14228064, 16006572, 21342096, 28456128, 32013144, 42684192, 64026288, 85368384, 128052576, 256105152]

約数ペア:

[(1, 256105152), (2, 128052576), (3, 85368384), (4, 64026288), (6, 42684192), (8, 32013144), (9, 28456128), (12, 21342096), (16, 16006572), (18, 14228064), (24, 10671048), (27, 9485376), (32, 8003286), (36, 7114032), (48, 5335524), (54, 4742688), (64, 4001643), (72, 3557016), (81, 3161792), (96, 2667762), (108, 2371344), (127, 2016576), (144, 1778508), (162, 1580896), (192, 1333881), (216, 1185672), (254, 1008288), (288, 889254), (324, 790448), (381, 672192), (389, 658368), (432, 592836), (508, 504144), (576, 444627), (648, 395224), (762, 336096), (778, 329184), (864, 296418), (1016, 252072), (1143, 224064), (1167, 219456), (1296, 197612), (1524, 168048), (1556, 164592), (1728, 148209), (2032, 126036), (2286, 112032), (2334, 109728), (2592, 98806), (3048, 84024), (3112, 82296), (3429, 74688), (3501, 73152), (4064, 63018), (4572, 56016), (4668, 54864), (5184, 49403), (6096, 42012), (6224, 41148), (6858, 37344), (7002, 36576), (8128, 31509), (9144, 28008), (9336, 27432), (10287, 24896), (10503, 24384), (12192, 21006), (12448, 20574), (13716, 18672), (14004, 18288)]