81458760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{678823}}^1$

素因数の和:678837

約数の個数: 32

約数和(自身を含む): 244376640

約数和(自身を除く): 162917880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 678823, 1357646, 2036469, 2715292, 3394115, 4072938, 5430584, 6788230, 8145876, 10182345, 13576460, 16291752, 20364690, 27152920, 40729380, 81458760]

約数ペア:

[(1, 81458760), (2, 40729380), (3, 27152920), (4, 20364690), (5, 16291752), (6, 13576460), (8, 10182345), (10, 8145876), (12, 6788230), (15, 5430584), (20, 4072938), (24, 3394115), (30, 2715292), (40, 2036469), (60, 1357646), (120, 678823)]