128785380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2146423}}^1$

素因数の和:2146435

約数の個数: 24

約数和(自身を含む): 360599232

約数和(自身を除く): 231813852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2146423, 4292846, 6439269, 8585692, 10732115, 12878538, 21464230, 25757076, 32196345, 42928460, 64392690, 128785380]

約数ペア:

[(1, 128785380), (2, 64392690), (3, 42928460), (4, 32196345), (5, 25757076), (6, 21464230), (10, 12878538), (12, 10732115), (15, 8585692), (20, 6439269), (30, 4292846), (60, 2146423)]