30618760

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1559}}^1$

素因数の和:2061

約数の個数: 32

約数和(自身を含む): 69076800

約数和(自身を除く): 38458040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1559, 1964, 2455, 3118, 3928, 4910, 6236, 7795, 9820, 12472, 15590, 19640, 31180, 62360, 765469, 1530938, 3061876, 3827345, 6123752, 7654690, 15309380, 30618760]

約数ペア:

[(1, 30618760), (2, 15309380), (4, 7654690), (5, 6123752), (8, 3827345), (10, 3061876), (20, 1530938), (40, 765469), (491, 62360), (982, 31180), (1559, 19640), (1964, 15590), (2455, 12472), (3118, 9820), (3928, 7795), (4910, 6236)]