155996480

素因数分解:

$2^6\times 5^1\times {\mathrm{487489}}^1$

素因数の和:487506

約数の個数: 28

約数和(自身を含む): 371467380

約数和(自身を除く): 215470900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 487489, 974978, 1949956, 2437445, 3899912, 4874890, 7799824, 9749780, 15599648, 19499560, 31199296, 38999120, 77998240, 155996480]

約数ペア:

[(1, 155996480), (2, 77998240), (4, 38999120), (5, 31199296), (8, 19499560), (10, 15599648), (16, 9749780), (20, 7799824), (32, 4874890), (40, 3899912), (64, 2437445), (80, 1949956), (160, 974978), (320, 487489)]