81912840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{682607}}^1$

素因数の和:682621

約数の個数: 32

約数和(自身を含む): 245738880

約数和(自身を除く): 163826040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 682607, 1365214, 2047821, 2730428, 3413035, 4095642, 5460856, 6826070, 8191284, 10239105, 13652140, 16382568, 20478210, 27304280, 40956420, 81912840]

約数ペア:

[(1, 81912840), (2, 40956420), (3, 27304280), (4, 20478210), (5, 16382568), (6, 13652140), (8, 10239105), (10, 8191284), (12, 6826070), (15, 5460856), (20, 4095642), (24, 3413035), (30, 2730428), (40, 2047821), (60, 1365214), (120, 682607)]