51256620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{284759}}^1$

素因数の和:284774

約数の個数: 36

約数和(自身を含む): 155478960

約数和(自身を除く): 104222340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 284759, 569518, 854277, 1139036, 1423795, 1708554, 2562831, 2847590, 3417108, 4271385, 5125662, 5695180, 8542770, 10251324, 12814155, 17085540, 25628310, 51256620]

約数ペア:

[(1, 51256620), (2, 25628310), (3, 17085540), (4, 12814155), (5, 10251324), (6, 8542770), (9, 5695180), (10, 5125662), (12, 4271385), (15, 3417108), (18, 2847590), (20, 2562831), (30, 1708554), (36, 1423795), (45, 1139036), (60, 854277), (90, 569518), (180, 284759)]