2743140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 7761600

約数和(自身を除く): 5018460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 349, 393, 524, 655, 698, 786, 1047, 1310, 1396, 1572, 1745, 1965, 2094, 2620, 3490, 3930, 4188, 5235, 6980, 7860, 10470, 20940, 45719, 91438, 137157, 182876, 228595, 274314, 457190, 548628, 685785, 914380, 1371570, 2743140]

約数ペア:

[(1, 2743140), (2, 1371570), (3, 914380), (4, 685785), (5, 548628), (6, 457190), (10, 274314), (12, 228595), (15, 182876), (20, 137157), (30, 91438), (60, 45719), (131, 20940), (262, 10470), (349, 7860), (393, 6980), (524, 5235), (655, 4188), (698, 3930), (786, 3490), (1047, 2620), (1310, 2094), (1396, 1965), (1572, 1745)]