79702020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{442789}}^1$

素因数の和:442804

約数の個数: 36

約数和(自身を含む): 241763340

約数和(自身を除く): 162061320

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 442789, 885578, 1328367, 1771156, 2213945, 2656734, 3985101, 4427890, 5313468, 6641835, 7970202, 8855780, 13283670, 15940404, 19925505, 26567340, 39851010, 79702020]

約数ペア:

[(1, 79702020), (2, 39851010), (3, 26567340), (4, 19925505), (5, 15940404), (6, 13283670), (9, 8855780), (10, 7970202), (12, 6641835), (15, 5313468), (18, 4427890), (20, 3985101), (30, 2656734), (36, 2213945), (45, 1771156), (60, 1328367), (90, 885578), (180, 442789)]