30921420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{515357}}^1$

素因数の和:515369

約数の個数: 24

約数和(自身を含む): 86580144

約数和(自身を除く): 55658724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 515357, 1030714, 1546071, 2061428, 2576785, 3092142, 5153570, 6184284, 7730355, 10307140, 15460710, 30921420]

約数ペア:

[(1, 30921420), (2, 15460710), (3, 10307140), (4, 7730355), (5, 6184284), (6, 5153570), (10, 3092142), (12, 2576785), (15, 2061428), (20, 1546071), (30, 1030714), (60, 515357)]