251680128

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{859}}^1$

素因数の和:992

約数の個数: 128

約数和(自身を含む): 771936000

約数和(自身を除く): 520255872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 109, 112, 128, 168, 192, 218, 224, 327, 336, 384, 436, 448, 654, 672, 763, 859, 872, 896, 1308, 1344, 1526, 1718, 1744, 2289, 2577, 2616, 2688, 3052, 3436, 3488, 4578, 5154, 5232, 6013, 6104, 6872, 6976, 9156, 10308, 10464, 12026, 12208, 13744, 13952, 18039, 18312, 20616, 20928, 24052, 24416, 27488, 36078, 36624, 41232, 41856, 48104, 48832, 54976, 72156, 73248, 82464, 93631, 96208, 97664, 109952, 144312, 146496, 164928, 187262, 192416, 280893, 288624, 292992, 329856, 374524, 384832, 561786, 577248, 655417, 749048, 769664, 1123572, 1154496, 1310834, 1498096, 1966251, 2247144, 2308992, 2621668, 2996192, 3932502, 4494288, 5243336, 5992384, 7865004, 8988576, 10486672, 11984768, 15730008, 17977152, 20973344, 31460016, 35954304, 41946688, 62920032, 83893376, 125840064, 251680128]

約数ペア:

[(1, 251680128), (2, 125840064), (3, 83893376), (4, 62920032), (6, 41946688), (7, 35954304), (8, 31460016), (12, 20973344), (14, 17977152), (16, 15730008), (21, 11984768), (24, 10486672), (28, 8988576), (32, 7865004), (42, 5992384), (48, 5243336), (56, 4494288), (64, 3932502), (84, 2996192), (96, 2621668), (109, 2308992), (112, 2247144), (128, 1966251), (168, 1498096), (192, 1310834), (218, 1154496), (224, 1123572), (327, 769664), (336, 749048), (384, 655417), (436, 577248), (448, 561786), (654, 384832), (672, 374524), (763, 329856), (859, 292992), (872, 288624), (896, 280893), (1308, 192416), (1344, 187262), (1526, 164928), (1718, 146496), (1744, 144312), (2289, 109952), (2577, 97664), (2616, 96208), (2688, 93631), (3052, 82464), (3436, 73248), (3488, 72156), (4578, 54976), (5154, 48832), (5232, 48104), (6013, 41856), (6104, 41232), (6872, 36624), (6976, 36078), (9156, 27488), (10308, 24416), (10464, 24052), (12026, 20928), (12208, 20616), (13744, 18312), (13952, 18039)]