81693180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{453851}}^1$

素因数の和:453866

約数の個数: 36

約数和(自身を含む): 247803192

約数和(自身を除く): 166110012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 453851, 907702, 1361553, 1815404, 2269255, 2723106, 4084659, 4538510, 5446212, 6807765, 8169318, 9077020, 13615530, 16338636, 20423295, 27231060, 40846590, 81693180]

約数ペア:

[(1, 81693180), (2, 40846590), (3, 27231060), (4, 20423295), (5, 16338636), (6, 13615530), (9, 9077020), (10, 8169318), (12, 6807765), (15, 5446212), (18, 4538510), (20, 4084659), (30, 2723106), (36, 2269255), (45, 1815404), (60, 1361553), (90, 907702), (180, 453851)]