2868780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 8114400

約数和(自身を除く): 5245620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 349, 411, 548, 685, 698, 822, 1047, 1370, 1396, 1644, 1745, 2055, 2094, 2740, 3490, 4110, 4188, 5235, 6980, 8220, 10470, 20940, 47813, 95626, 143439, 191252, 239065, 286878, 478130, 573756, 717195, 956260, 1434390, 2868780]

約数ペア:

[(1, 2868780), (2, 1434390), (3, 956260), (4, 717195), (5, 573756), (6, 478130), (10, 286878), (12, 239065), (15, 191252), (20, 143439), (30, 95626), (60, 47813), (137, 20940), (274, 10470), (349, 8220), (411, 6980), (548, 5235), (685, 4188), (698, 4110), (822, 3490), (1047, 2740), (1370, 2094), (1396, 2055), (1644, 1745)]