81072120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{675601}}^1$

素因数の和:675615

約数の個数: 32

約数和(自身を含む): 243216720

約数和(自身を除く): 162144600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 675601, 1351202, 2026803, 2702404, 3378005, 4053606, 5404808, 6756010, 8107212, 10134015, 13512020, 16214424, 20268030, 27024040, 40536060, 81072120]

約数ペア:

[(1, 81072120), (2, 40536060), (3, 27024040), (4, 20268030), (5, 16214424), (6, 13512020), (8, 10134015), (10, 8107212), (12, 6756010), (15, 5404808), (20, 4053606), (24, 3378005), (30, 2702404), (40, 2026803), (60, 1351202), (120, 675601)]