51820140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1759}}^1$

素因数の和:2262

約数の個数: 48

約数和(自身を含む): 145474560

約数和(自身を除く): 93654420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 491, 982, 1473, 1759, 1964, 2455, 2946, 3518, 4910, 5277, 5892, 7036, 7365, 8795, 9820, 10554, 14730, 17590, 21108, 26385, 29460, 35180, 52770, 105540, 863669, 1727338, 2591007, 3454676, 4318345, 5182014, 8636690, 10364028, 12955035, 17273380, 25910070, 51820140]

約数ペア:

[(1, 51820140), (2, 25910070), (3, 17273380), (4, 12955035), (5, 10364028), (6, 8636690), (10, 5182014), (12, 4318345), (15, 3454676), (20, 2591007), (30, 1727338), (60, 863669), (491, 105540), (982, 52770), (1473, 35180), (1759, 29460), (1964, 26385), (2455, 21108), (2946, 17590), (3518, 14730), (4910, 10554), (5277, 9820), (5892, 8795), (7036, 7365)]