129869820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{721499}}^1$

素因数の和:721514

約数の個数: 36

約数和(自身を含む): 393939000

約数和(自身を除く): 264069180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 721499, 1442998, 2164497, 2885996, 3607495, 4328994, 6493491, 7214990, 8657988, 10822485, 12986982, 14429980, 21644970, 25973964, 32467455, 43289940, 64934910, 129869820]

約数ペア:

[(1, 129869820), (2, 64934910), (3, 43289940), (4, 32467455), (5, 25973964), (6, 21644970), (9, 14429980), (10, 12986982), (12, 10822485), (15, 8657988), (18, 7214990), (20, 6493491), (30, 4328994), (36, 3607495), (45, 2885996), (60, 2164497), (90, 1442998), (180, 721499)]