163985920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{9151}}^1$

素因数の和:9181

約数の個数: 80

約数和(自身を含む): 449399808

約数和(自身を除く): 285413888

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, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 9151, 17920, 18302, 36604, 45755, 64057, 73208, 91510, 128114, 146416, 183020, 256228, 292832, 320285, 366040, 512456, 585664, 640570, 732080, 1024912, 1171328, 1281140, 1464160, 2049824, 2342656, 2562280, 2928320, 4099648, 4685312, 5124560, 5856640, 8199296, 10249120, 11713280, 16398592, 20498240, 23426560, 32797184, 40996480, 81992960, 163985920]

約数ペア:

[(1, 163985920), (2, 81992960), (4, 40996480), (5, 32797184), (7, 23426560), (8, 20498240), (10, 16398592), (14, 11713280), (16, 10249120), (20, 8199296), (28, 5856640), (32, 5124560), (35, 4685312), (40, 4099648), (56, 2928320), (64, 2562280), (70, 2342656), (80, 2049824), (112, 1464160), (128, 1281140), (140, 1171328), (160, 1024912), (224, 732080), (256, 640570), (280, 585664), (320, 512456), (448, 366040), (512, 320285), (560, 292832), (640, 256228), (896, 183020), (1120, 146416), (1280, 128114), (1792, 91510), (2240, 73208), (2560, 64057), (3584, 45755), (4480, 36604), (8960, 18302), (9151, 17920)]