31390020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{174389}}^1$

素因数の和:174404

約数の個数: 36

約数和(自身を含む): 95216940

約数和(自身を除く): 63826920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 174389, 348778, 523167, 697556, 871945, 1046334, 1569501, 1743890, 2092668, 2615835, 3139002, 3487780, 5231670, 6278004, 7847505, 10463340, 15695010, 31390020]

約数ペア:

[(1, 31390020), (2, 15695010), (3, 10463340), (4, 7847505), (5, 6278004), (6, 5231670), (9, 3487780), (10, 3139002), (12, 2615835), (15, 2092668), (18, 1743890), (20, 1569501), (30, 1046334), (36, 871945), (45, 697556), (60, 523167), (90, 348778), (180, 174389)]