257613264

素因数分解:

$2^4\times 3^3\times {\mathrm{29}}^1\times {\mathrm{20563}}^1$

素因数の和:20609

約数の個数: 80

約数和(自身を含む): 764980800

約数和(自身を除く): 507367536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 36, 48, 54, 58, 72, 87, 108, 116, 144, 174, 216, 232, 261, 348, 432, 464, 522, 696, 783, 1044, 1392, 1566, 2088, 3132, 4176, 6264, 12528, 20563, 41126, 61689, 82252, 123378, 164504, 185067, 246756, 329008, 370134, 493512, 555201, 596327, 740268, 987024, 1110402, 1192654, 1480536, 1788981, 2220804, 2385308, 2961072, 3577962, 4441608, 4770616, 5366943, 7155924, 8883216, 9541232, 10733886, 14311848, 16100829, 21467772, 28623696, 32201658, 42935544, 64403316, 85871088, 128806632, 257613264]

約数ペア:

[(1, 257613264), (2, 128806632), (3, 85871088), (4, 64403316), (6, 42935544), (8, 32201658), (9, 28623696), (12, 21467772), (16, 16100829), (18, 14311848), (24, 10733886), (27, 9541232), (29, 8883216), (36, 7155924), (48, 5366943), (54, 4770616), (58, 4441608), (72, 3577962), (87, 2961072), (108, 2385308), (116, 2220804), (144, 1788981), (174, 1480536), (216, 1192654), (232, 1110402), (261, 987024), (348, 740268), (432, 596327), (464, 555201), (522, 493512), (696, 370134), (783, 329008), (1044, 246756), (1392, 185067), (1566, 164504), (2088, 123378), (3132, 82252), (4176, 61689), (6264, 41126), (12528, 20563)]