9720120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{81001}}^1$

素因数の和:81015

約数の個数: 32

約数和(自身を含む): 29160720

約数和(自身を除く): 19440600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 81001, 162002, 243003, 324004, 405005, 486006, 648008, 810010, 972012, 1215015, 1620020, 1944024, 2430030, 3240040, 4860060, 9720120]

約数ペア:

[(1, 9720120), (2, 4860060), (3, 3240040), (4, 2430030), (5, 1944024), (6, 1620020), (8, 1215015), (10, 972012), (12, 810010), (15, 648008), (20, 486006), (24, 405005), (30, 324004), (40, 243003), (60, 162002), (120, 81001)]