81217260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{451207}}^1$

素因数の和:451222

約数の個数: 36

約数和(自身を含む): 246359568

約数和(自身を除く): 165142308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 451207, 902414, 1353621, 1804828, 2256035, 2707242, 4060863, 4512070, 5414484, 6768105, 8121726, 9024140, 13536210, 16243452, 20304315, 27072420, 40608630, 81217260]

約数ペア:

[(1, 81217260), (2, 40608630), (3, 27072420), (4, 20304315), (5, 16243452), (6, 13536210), (9, 9024140), (10, 8121726), (12, 6768105), (15, 5414484), (18, 4512070), (20, 4060863), (30, 2707242), (36, 2256035), (45, 1804828), (60, 1353621), (90, 902414), (180, 451207)]