72277480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{164267}}^1$

素因数の和:164289

約数の個数: 32

約数和(自身を含む): 177409440

約数和(自身を除く): 105131960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 164267, 328534, 657068, 821335, 1314136, 1642670, 1806937, 3285340, 3613874, 6570680, 7227748, 9034685, 14455496, 18069370, 36138740, 72277480]

約数ペア:

[(1, 72277480), (2, 36138740), (4, 18069370), (5, 14455496), (8, 9034685), (10, 7227748), (11, 6570680), (20, 3613874), (22, 3285340), (40, 1806937), (44, 1642670), (55, 1314136), (88, 821335), (110, 657068), (220, 328534), (440, 164267)]