81744240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{340601}}^1$

素因数の和:340617

約数の個数: 40

約数和(自身を含む): 253407888

約数和(自身を除く): 171663648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 340601, 681202, 1021803, 1362404, 1703005, 2043606, 2724808, 3406010, 4087212, 5109015, 5449616, 6812020, 8174424, 10218030, 13624040, 16348848, 20436060, 27248080, 40872120, 81744240]

約数ペア:

[(1, 81744240), (2, 40872120), (3, 27248080), (4, 20436060), (5, 16348848), (6, 13624040), (8, 10218030), (10, 8174424), (12, 6812020), (15, 5449616), (16, 5109015), (20, 4087212), (24, 3406010), (30, 2724808), (40, 2043606), (48, 1703005), (60, 1362404), (80, 1021803), (120, 681202), (240, 340601)]