28681036380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{456559}}^1$

素因数の和:456923

約数の個数: 72

約数和(自身を含む): 87248616000

約数和(自身を除く): 58567579620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 349, 698, 1047, 1396, 1745, 2094, 3141, 3490, 4188, 5235, 6282, 6980, 10470, 12564, 15705, 20940, 31410, 62820, 456559, 913118, 1369677, 1826236, 2282795, 2739354, 4109031, 4565590, 5478708, 6848385, 8218062, 9131180, 13696770, 16436124, 20545155, 27393540, 41090310, 82180620, 159339091, 318678182, 478017273, 637356364, 796695455, 956034546, 1434051819, 1593390910, 1912069092, 2390086365, 2868103638, 3186781820, 4780172730, 5736207276, 7170259095, 9560345460, 14340518190, 28681036380]

約数ペア:

[(1, 28681036380), (2, 14340518190), (3, 9560345460), (4, 7170259095), (5, 5736207276), (6, 4780172730), (9, 3186781820), (10, 2868103638), (12, 2390086365), (15, 1912069092), (18, 1593390910), (20, 1434051819), (30, 956034546), (36, 796695455), (45, 637356364), (60, 478017273), (90, 318678182), (180, 159339091), (349, 82180620), (698, 41090310), (1047, 27393540), (1396, 20545155), (1745, 16436124), (2094, 13696770), (3141, 9131180), (3490, 8218062), (4188, 6848385), (5235, 5478708), (6282, 4565590), (6980, 4109031), (10470, 2739354), (12564, 2282795), (15705, 1826236), (20940, 1369677), (31410, 913118), (62820, 456559)]