80165340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{445363}}^1$

素因数の和:445378

約数の個数: 36

約数和(自身を含む): 243168744

約数和(自身を除く): 163003404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 445363, 890726, 1336089, 1781452, 2226815, 2672178, 4008267, 4453630, 5344356, 6680445, 8016534, 8907260, 13360890, 16033068, 20041335, 26721780, 40082670, 80165340]

約数ペア:

[(1, 80165340), (2, 40082670), (3, 26721780), (4, 20041335), (5, 16033068), (6, 13360890), (9, 8907260), (10, 8016534), (12, 6680445), (15, 5344356), (18, 4453630), (20, 4008267), (30, 2672178), (36, 2226815), (45, 1781452), (60, 1336089), (90, 890726), (180, 445363)]