256631424

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{593}}^1$

素因数の和:647

約数の個数: 192

約数和(自身を含む): 828843840

約数和(自身を除く): 572212416

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 49, 56, 64, 69, 84, 92, 96, 98, 112, 128, 138, 147, 161, 168, 184, 192, 196, 224, 276, 294, 322, 336, 368, 384, 392, 448, 483, 552, 588, 593, 644, 672, 736, 784, 896, 966, 1104, 1127, 1176, 1186, 1288, 1344, 1472, 1568, 1779, 1932, 2208, 2254, 2352, 2372, 2576, 2688, 2944, 3136, 3381, 3558, 3864, 4151, 4416, 4508, 4704, 4744, 5152, 6272, 6762, 7116, 7728, 8302, 8832, 9016, 9408, 9488, 10304, 12453, 13524, 13639, 14232, 15456, 16604, 18032, 18816, 18976, 20608, 24906, 27048, 27278, 28464, 29057, 30912, 33208, 36064, 37952, 40917, 49812, 54096, 54556, 56928, 58114, 61824, 66416, 72128, 75904, 81834, 87171, 95473, 99624, 108192, 109112, 113856, 116228, 132832, 144256, 163668, 174342, 190946, 199248, 216384, 218224, 227712, 232456, 265664, 286419, 327336, 348684, 381892, 398496, 432768, 436448, 464912, 531328, 572838, 654672, 668311, 697368, 763784, 796992, 872896, 929824, 1145676, 1309344, 1336622, 1394736, 1527568, 1593984, 1745792, 1859648, 2004933, 2291352, 2618688, 2673244, 2789472, 3055136, 3719296, 4009866, 4582704, 5237376, 5346488, 5578944, 6110272, 8019732, 9165408, 10692976, 11157888, 12220544, 16039464, 18330816, 21385952, 32078928, 36661632, 42771904, 64157856, 85543808, 128315712, 256631424]

約数ペア:

[(1, 256631424), (2, 128315712), (3, 85543808), (4, 64157856), (6, 42771904), (7, 36661632), (8, 32078928), (12, 21385952), (14, 18330816), (16, 16039464), (21, 12220544), (23, 11157888), (24, 10692976), (28, 9165408), (32, 8019732), (42, 6110272), (46, 5578944), (48, 5346488), (49, 5237376), (56, 4582704), (64, 4009866), (69, 3719296), (84, 3055136), (92, 2789472), (96, 2673244), (98, 2618688), (112, 2291352), (128, 2004933), (138, 1859648), (147, 1745792), (161, 1593984), (168, 1527568), (184, 1394736), (192, 1336622), (196, 1309344), (224, 1145676), (276, 929824), (294, 872896), (322, 796992), (336, 763784), (368, 697368), (384, 668311), (392, 654672), (448, 572838), (483, 531328), (552, 464912), (588, 436448), (593, 432768), (644, 398496), (672, 381892), (736, 348684), (784, 327336), (896, 286419), (966, 265664), (1104, 232456), (1127, 227712), (1176, 218224), (1186, 216384), (1288, 199248), (1344, 190946), (1472, 174342), (1568, 163668), (1779, 144256), (1932, 132832), (2208, 116228), (2254, 113856), (2352, 109112), (2372, 108192), (2576, 99624), (2688, 95473), (2944, 87171), (3136, 81834), (3381, 75904), (3558, 72128), (3864, 66416), (4151, 61824), (4416, 58114), (4508, 56928), (4704, 54556), (4744, 54096), (5152, 49812), (6272, 40917), (6762, 37952), (7116, 36064), (7728, 33208), (8302, 30912), (8832, 29057), (9016, 28464), (9408, 27278), (9488, 27048), (10304, 24906), (12453, 20608), (13524, 18976), (13639, 18816), (14232, 18032), (15456, 16604)]