68556660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1777}}^1$

素因数の和:2432

約数の個数: 48

約数和(自身を含む): 192365376

約数和(自身を除く): 123808716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 643, 1286, 1777, 1929, 2572, 3215, 3554, 3858, 5331, 6430, 7108, 7716, 8885, 9645, 10662, 12860, 17770, 19290, 21324, 26655, 35540, 38580, 53310, 106620, 1142611, 2285222, 3427833, 4570444, 5713055, 6855666, 11426110, 13711332, 17139165, 22852220, 34278330, 68556660]

約数ペア:

[(1, 68556660), (2, 34278330), (3, 22852220), (4, 17139165), (5, 13711332), (6, 11426110), (10, 6855666), (12, 5713055), (15, 4570444), (20, 3427833), (30, 2285222), (60, 1142611), (643, 106620), (1286, 53310), (1777, 38580), (1929, 35540), (2572, 26655), (3215, 21324), (3554, 19290), (3858, 17770), (5331, 12860), (6430, 10662), (7108, 9645), (7716, 8885)]