8720520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{72671}}^1$

素因数の和:72685

約数の個数: 32

約数和(自身を含む): 26161920

約数和(自身を除く): 17441400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 72671, 145342, 218013, 290684, 363355, 436026, 581368, 726710, 872052, 1090065, 1453420, 1744104, 2180130, 2906840, 4360260, 8720520]

約数ペア:

[(1, 8720520), (2, 4360260), (3, 2906840), (4, 2180130), (5, 1744104), (6, 1453420), (8, 1090065), (10, 872052), (12, 726710), (15, 581368), (20, 436026), (24, 363355), (30, 290684), (40, 218013), (60, 145342), (120, 72671)]