265140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{491}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 826560

約数和(自身を除く): 561420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 491, 540, 982, 1473, 1964, 2455, 2946, 4419, 4910, 5892, 7365, 8838, 9820, 13257, 14730, 17676, 22095, 26514, 29460, 44190, 53028, 66285, 88380, 132570, 265140]

約数ペア:

[(1, 265140), (2, 132570), (3, 88380), (4, 66285), (5, 53028), (6, 44190), (9, 29460), (10, 26514), (12, 22095), (15, 17676), (18, 14730), (20, 13257), (27, 9820), (30, 8838), (36, 7365), (45, 5892), (54, 4910), (60, 4419), (90, 2946), (108, 2455), (135, 1964), (180, 1473), (270, 982), (491, 540)]