221617260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1231207}}^1$

素因数の和:1231222

約数の個数: 36

約数和(自身を含む): 672239568

約数和(自身を除く): 450622308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1231207, 2462414, 3693621, 4924828, 6156035, 7387242, 11080863, 12312070, 14774484, 18468105, 22161726, 24624140, 36936210, 44323452, 55404315, 73872420, 110808630, 221617260]

約数ペア:

[(1, 221617260), (2, 110808630), (3, 73872420), (4, 55404315), (5, 44323452), (6, 36936210), (9, 24624140), (10, 22161726), (12, 18468105), (15, 14774484), (18, 12312070), (20, 11080863), (30, 7387242), (36, 6156035), (45, 4924828), (60, 3693621), (90, 2462414), (180, 1231207)]