164066560

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{18311}}^1$

素因数の和:18339

約数の個数: 72

約数和(自身を含む): 449156736

約数和(自身を除く): 285090176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 18311, 36622, 73244, 91555, 128177, 146488, 183110, 256354, 292976, 366220, 512708, 585952, 640885, 732440, 1025416, 1171904, 1281770, 1464880, 2050832, 2343808, 2563540, 2929760, 4101664, 4687616, 5127080, 5859520, 8203328, 10254160, 11719040, 16406656, 20508320, 23438080, 32813312, 41016640, 82033280, 164066560]

約数ペア:

[(1, 164066560), (2, 82033280), (4, 41016640), (5, 32813312), (7, 23438080), (8, 20508320), (10, 16406656), (14, 11719040), (16, 10254160), (20, 8203328), (28, 5859520), (32, 5127080), (35, 4687616), (40, 4101664), (56, 2929760), (64, 2563540), (70, 2343808), (80, 2050832), (112, 1464880), (128, 1281770), (140, 1171904), (160, 1025416), (224, 732440), (256, 640885), (280, 585952), (320, 512708), (448, 366220), (560, 292976), (640, 256354), (896, 183110), (1120, 146488), (1280, 128177), (1792, 91555), (2240, 73244), (4480, 36622), (8960, 18311)]