245710464

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{20641}}^1$

素因数の和:20689

約数の個数: 64

約数和(自身を含む): 673754880

約数和(自身を除く): 428044416

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 372, 384, 496, 744, 992, 1488, 1984, 2976, 3968, 5952, 11904, 20641, 41282, 61923, 82564, 123846, 165128, 247692, 330256, 495384, 639871, 660512, 990768, 1279742, 1321024, 1919613, 1981536, 2559484, 2642048, 3839226, 3963072, 5118968, 7678452, 7926144, 10237936, 15356904, 20475872, 30713808, 40951744, 61427616, 81903488, 122855232, 245710464]

約数ペア:

[(1, 245710464), (2, 122855232), (3, 81903488), (4, 61427616), (6, 40951744), (8, 30713808), (12, 20475872), (16, 15356904), (24, 10237936), (31, 7926144), (32, 7678452), (48, 5118968), (62, 3963072), (64, 3839226), (93, 2642048), (96, 2559484), (124, 1981536), (128, 1919613), (186, 1321024), (192, 1279742), (248, 990768), (372, 660512), (384, 639871), (496, 495384), (744, 330256), (992, 247692), (1488, 165128), (1984, 123846), (2976, 82564), (3968, 61923), (5952, 41282), (11904, 20641)]