144068920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83761}}^1$

素因数の和:83815

約数の個数: 32

約数和(自身を含む): 331697520

約数和(自身を除く): 187628600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 83761, 167522, 335044, 418805, 670088, 837610, 1675220, 3350440, 3601723, 7203446, 14406892, 18008615, 28813784, 36017230, 72034460, 144068920]

約数ペア:

[(1, 144068920), (2, 72034460), (4, 36017230), (5, 28813784), (8, 18008615), (10, 14406892), (20, 7203446), (40, 3601723), (43, 3350440), (86, 1675220), (172, 837610), (215, 670088), (344, 418805), (430, 335044), (860, 167522), (1720, 83761)]