81992960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{9151}}^1$

素因数の和:9179

約数の個数: 72

約数和(自身を含む): 224480256

約数和(自身を除く): 142487296

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, 9151, 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, 5124560, 5856640, 8199296, 10249120, 11713280, 16398592, 20498240, 40996480, 81992960]

約数ペア:

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