78461520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{326923}}^1$

素因数の和:326939

約数の個数: 40

約数和(自身を含む): 243231456

約数和(自身を除く): 164769936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 326923, 653846, 980769, 1307692, 1634615, 1961538, 2615384, 3269230, 3923076, 4903845, 5230768, 6538460, 7846152, 9807690, 13076920, 15692304, 19615380, 26153840, 39230760, 78461520]

約数ペア:

[(1, 78461520), (2, 39230760), (3, 26153840), (4, 19615380), (5, 15692304), (6, 13076920), (8, 9807690), (10, 7846152), (12, 6538460), (15, 5230768), (16, 4903845), (20, 3923076), (24, 3269230), (30, 2615384), (40, 1961538), (48, 1634615), (60, 1307692), (80, 980769), (120, 653846), (240, 326923)]