71324440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{937}}^1$

素因数の和:1132

約数の個数: 64

約数和(自身を含む): 176268960

約数和(自身を除く): 104944520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 173, 220, 346, 440, 692, 865, 937, 1384, 1730, 1874, 1903, 3460, 3748, 3806, 4685, 6920, 7496, 7612, 9370, 9515, 10307, 15224, 18740, 19030, 20614, 37480, 38060, 41228, 51535, 76120, 82456, 103070, 162101, 206140, 324202, 412280, 648404, 810505, 1296808, 1621010, 1783111, 3242020, 3566222, 6484040, 7132444, 8915555, 14264888, 17831110, 35662220, 71324440]

約数ペア:

[(1, 71324440), (2, 35662220), (4, 17831110), (5, 14264888), (8, 8915555), (10, 7132444), (11, 6484040), (20, 3566222), (22, 3242020), (40, 1783111), (44, 1621010), (55, 1296808), (88, 810505), (110, 648404), (173, 412280), (220, 324202), (346, 206140), (440, 162101), (692, 103070), (865, 82456), (937, 76120), (1384, 51535), (1730, 41228), (1874, 38060), (1903, 37480), (3460, 20614), (3748, 19030), (3806, 18740), (4685, 15224), (6920, 10307), (7496, 9515), (7612, 9370)]