78732120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1289}}^1$

素因数の和:1812

約数の個数: 64

約数和(自身を含む): 236844000

約数和(自身を除く): 158111880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 509, 1018, 1289, 1527, 2036, 2545, 2578, 3054, 3867, 4072, 5090, 5156, 6108, 6445, 7635, 7734, 10180, 10312, 12216, 12890, 15270, 15468, 19335, 20360, 25780, 30540, 30936, 38670, 51560, 61080, 77340, 154680, 656101, 1312202, 1968303, 2624404, 3280505, 3936606, 5248808, 6561010, 7873212, 9841515, 13122020, 15746424, 19683030, 26244040, 39366060, 78732120]

約数ペア:

[(1, 78732120), (2, 39366060), (3, 26244040), (4, 19683030), (5, 15746424), (6, 13122020), (8, 9841515), (10, 7873212), (12, 6561010), (15, 5248808), (20, 3936606), (24, 3280505), (30, 2624404), (40, 1968303), (60, 1312202), (120, 656101), (509, 154680), (1018, 77340), (1289, 61080), (1527, 51560), (2036, 38670), (2545, 30936), (2578, 30540), (3054, 25780), (3867, 20360), (4072, 19335), (5090, 15468), (5156, 15270), (6108, 12890), (6445, 12216), (7635, 10312), (7734, 10180)]