201664640

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4703}}^1$

素因数の和:4789

約数の個数: 64

約数和(自身を含む): 489404160

約数和(自身を除く): 287739520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 640, 670, 1072, 1340, 2144, 2680, 4288, 4703, 5360, 8576, 9406, 10720, 18812, 21440, 23515, 37624, 42880, 47030, 75248, 94060, 150496, 188120, 300992, 315101, 376240, 601984, 630202, 752480, 1260404, 1504960, 1575505, 2520808, 3009920, 3151010, 5041616, 6302020, 10083232, 12604040, 20166464, 25208080, 40332928, 50416160, 100832320, 201664640]

約数ペア:

[(1, 201664640), (2, 100832320), (4, 50416160), (5, 40332928), (8, 25208080), (10, 20166464), (16, 12604040), (20, 10083232), (32, 6302020), (40, 5041616), (64, 3151010), (67, 3009920), (80, 2520808), (128, 1575505), (134, 1504960), (160, 1260404), (268, 752480), (320, 630202), (335, 601984), (536, 376240), (640, 315101), (670, 300992), (1072, 188120), (1340, 150496), (2144, 94060), (2680, 75248), (4288, 47030), (4703, 42880), (5360, 37624), (8576, 23515), (9406, 21440), (10720, 18812)]