30971940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{516199}}^1$

素因数の和:516211

約数の個数: 24

約数和(自身を含む): 86721600

約数和(自身を除く): 55749660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 516199, 1032398, 1548597, 2064796, 2580995, 3097194, 5161990, 6194388, 7742985, 10323980, 15485970, 30971940]

約数ペア:

[(1, 30971940), (2, 15485970), (3, 10323980), (4, 7742985), (5, 6194388), (6, 5161990), (10, 3097194), (12, 2580995), (15, 2064796), (20, 1548597), (30, 1032398), (60, 516199)]