257040288

素因数分解:

$2^5\times 3^2\times {\mathrm{859}}^1\times {\mathrm{1039}}^1$

素因数の和:1914

約数の個数: 72

約数和(自身を含む): 732513600

約数和(自身を除く): 475473312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 859, 1039, 1718, 2078, 2577, 3117, 3436, 4156, 5154, 6234, 6872, 7731, 8312, 9351, 10308, 12468, 13744, 15462, 16624, 18702, 20616, 24936, 27488, 30924, 33248, 37404, 41232, 49872, 61848, 74808, 82464, 99744, 123696, 149616, 247392, 299232, 892501, 1785002, 2677503, 3570004, 5355006, 7140008, 8032509, 10710012, 14280016, 16065018, 21420024, 28560032, 32130036, 42840048, 64260072, 85680096, 128520144, 257040288]

約数ペア:

[(1, 257040288), (2, 128520144), (3, 85680096), (4, 64260072), (6, 42840048), (8, 32130036), (9, 28560032), (12, 21420024), (16, 16065018), (18, 14280016), (24, 10710012), (32, 8032509), (36, 7140008), (48, 5355006), (72, 3570004), (96, 2677503), (144, 1785002), (288, 892501), (859, 299232), (1039, 247392), (1718, 149616), (2078, 123696), (2577, 99744), (3117, 82464), (3436, 74808), (4156, 61848), (5154, 49872), (6234, 41232), (6872, 37404), (7731, 33248), (8312, 30924), (9351, 27488), (10308, 24936), (12468, 20616), (13744, 18702), (15462, 16624)]