445140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2473}}^1$

素因数の和:2488

約数の個数: 36

約数和(自身を含む): 1350804

約数和(自身を除く): 905664

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2473, 4946, 7419, 9892, 12365, 14838, 22257, 24730, 29676, 37095, 44514, 49460, 74190, 89028, 111285, 148380, 222570, 445140]

約数ペア:

[(1, 445140), (2, 222570), (3, 148380), (4, 111285), (5, 89028), (6, 74190), (9, 49460), (10, 44514), (12, 37095), (15, 29676), (18, 24730), (20, 22257), (30, 14838), (36, 12365), (45, 9892), (60, 7419), (90, 4946), (180, 2473)]