2680440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{3191}}^1$

素因数の和:3212

約数の個数: 64

約数和(自身を含む): 9192960

約数和(自身を除く): 6512520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 3191, 6382, 9573, 12764, 15955, 19146, 22337, 25528, 31910, 38292, 44674, 47865, 63820, 67011, 76584, 89348, 95730, 111685, 127640, 134022, 178696, 191460, 223370, 268044, 335055, 382920, 446740, 536088, 670110, 893480, 1340220, 2680440]

約数ペア:

[(1, 2680440), (2, 1340220), (3, 893480), (4, 670110), (5, 536088), (6, 446740), (7, 382920), (8, 335055), (10, 268044), (12, 223370), (14, 191460), (15, 178696), (20, 134022), (21, 127640), (24, 111685), (28, 95730), (30, 89348), (35, 76584), (40, 67011), (42, 63820), (56, 47865), (60, 44674), (70, 38292), (84, 31910), (105, 25528), (120, 22337), (140, 19146), (168, 15955), (210, 12764), (280, 9573), (420, 6382), (840, 3191)]