161250560

素因数分解:

$2^8\times 5^1\times {\mathrm{263}}^1\times {\mathrm{479}}^1$

素因数の和:763

約数の個数: 72

約数和(自身を含む): 388523520

約数和(自身を除く): 227272960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 263, 320, 479, 526, 640, 958, 1052, 1280, 1315, 1916, 2104, 2395, 2630, 3832, 4208, 4790, 5260, 7664, 8416, 9580, 10520, 15328, 16832, 19160, 21040, 30656, 33664, 38320, 42080, 61312, 67328, 76640, 84160, 122624, 125977, 153280, 168320, 251954, 306560, 336640, 503908, 613120, 629885, 1007816, 1259770, 2015632, 2519540, 4031264, 5039080, 8062528, 10078160, 16125056, 20156320, 32250112, 40312640, 80625280, 161250560]

約数ペア:

[(1, 161250560), (2, 80625280), (4, 40312640), (5, 32250112), (8, 20156320), (10, 16125056), (16, 10078160), (20, 8062528), (32, 5039080), (40, 4031264), (64, 2519540), (80, 2015632), (128, 1259770), (160, 1007816), (256, 629885), (263, 613120), (320, 503908), (479, 336640), (526, 306560), (640, 251954), (958, 168320), (1052, 153280), (1280, 125977), (1315, 122624), (1916, 84160), (2104, 76640), (2395, 67328), (2630, 61312), (3832, 42080), (4208, 38320), (4790, 33664), (5260, 30656), (7664, 21040), (8416, 19160), (9580, 16832), (10520, 15328)]