168966080

素因数分解:

$2^6\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1291}}^1$

素因数の和:1717

約数の個数: 56

約数和(自身を含む): 403646640

約数和(自身を除く): 234680560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 409, 818, 1291, 1636, 2045, 2582, 3272, 4090, 5164, 6455, 6544, 8180, 10328, 12910, 13088, 16360, 20656, 25820, 26176, 32720, 41312, 51640, 65440, 82624, 103280, 130880, 206560, 413120, 528019, 1056038, 2112076, 2640095, 4224152, 5280190, 8448304, 10560380, 16896608, 21120760, 33793216, 42241520, 84483040, 168966080]

約数ペア:

[(1, 168966080), (2, 84483040), (4, 42241520), (5, 33793216), (8, 21120760), (10, 16896608), (16, 10560380), (20, 8448304), (32, 5280190), (40, 4224152), (64, 2640095), (80, 2112076), (160, 1056038), (320, 528019), (409, 413120), (818, 206560), (1291, 130880), (1636, 103280), (2045, 82624), (2582, 65440), (3272, 51640), (4090, 41312), (5164, 32720), (6455, 26176), (6544, 25820), (8180, 20656), (10328, 16360), (12910, 13088)]