251820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1399}}^1$

素因数の和:1414

約数の個数: 36

約数和(自身を含む): 764400

約数和(自身を除く): 512580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1399, 2798, 4197, 5596, 6995, 8394, 12591, 13990, 16788, 20985, 25182, 27980, 41970, 50364, 62955, 83940, 125910, 251820]

約数ペア:

[(1, 251820), (2, 125910), (3, 83940), (4, 62955), (5, 50364), (6, 41970), (9, 27980), (10, 25182), (12, 20985), (15, 16788), (18, 13990), (20, 12591), (30, 8394), (36, 6995), (45, 5596), (60, 4197), (90, 2798), (180, 1399)]