128971020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2149517}}^1$

素因数の和:2149529

約数の個数: 24

約数和(自身を含む): 361119024

約数和(自身を除く): 232148004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2149517, 4299034, 6448551, 8598068, 10747585, 12897102, 21495170, 25794204, 32242755, 42990340, 64485510, 128971020]

約数ペア:

[(1, 128971020), (2, 64485510), (3, 42990340), (4, 32242755), (5, 25794204), (6, 21495170), (10, 12897102), (12, 10747585), (15, 8598068), (20, 6448551), (30, 4299034), (60, 2149517)]