81769860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{454277}}^1$

素因数の和:454292

約数の個数: 36

約数和(自身を含む): 248035788

約数和(自身を除く): 166265928

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 454277, 908554, 1362831, 1817108, 2271385, 2725662, 4088493, 4542770, 5451324, 6814155, 8176986, 9085540, 13628310, 16353972, 20442465, 27256620, 40884930, 81769860]

約数ペア:

[(1, 81769860), (2, 40884930), (3, 27256620), (4, 20442465), (5, 16353972), (6, 13628310), (9, 9085540), (10, 8176986), (12, 6814155), (15, 5451324), (18, 4542770), (20, 4088493), (30, 2725662), (36, 2271385), (45, 1817108), (60, 1362831), (90, 908554), (180, 454277)]