2021520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{8423}}^1$

素因数の和:8439

約数の個数: 40

約数和(自身を含む): 6267456

約数和(自身を除く): 4245936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 8423, 16846, 25269, 33692, 42115, 50538, 67384, 84230, 101076, 126345, 134768, 168460, 202152, 252690, 336920, 404304, 505380, 673840, 1010760, 2021520]

約数ペア:

[(1, 2021520), (2, 1010760), (3, 673840), (4, 505380), (5, 404304), (6, 336920), (8, 252690), (10, 202152), (12, 168460), (15, 134768), (16, 126345), (20, 101076), (24, 84230), (30, 67384), (40, 50538), (48, 42115), (60, 33692), (80, 25269), (120, 16846), (240, 8423)]