2705920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{151}}^1$

素因数の和:181

約数の個数: 80

約数和(自身を含む): 7463808

約数和(自身を除く): 4757888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 151, 160, 224, 256, 280, 302, 320, 448, 512, 560, 604, 640, 755, 896, 1057, 1120, 1208, 1280, 1510, 1792, 2114, 2240, 2416, 2560, 3020, 3584, 4228, 4480, 4832, 5285, 6040, 8456, 8960, 9664, 10570, 12080, 16912, 17920, 19328, 21140, 24160, 33824, 38656, 42280, 48320, 67648, 77312, 84560, 96640, 135296, 169120, 193280, 270592, 338240, 386560, 541184, 676480, 1352960, 2705920]

約数ペア:

[(1, 2705920), (2, 1352960), (4, 676480), (5, 541184), (7, 386560), (8, 338240), (10, 270592), (14, 193280), (16, 169120), (20, 135296), (28, 96640), (32, 84560), (35, 77312), (40, 67648), (56, 48320), (64, 42280), (70, 38656), (80, 33824), (112, 24160), (128, 21140), (140, 19328), (151, 17920), (160, 16912), (224, 12080), (256, 10570), (280, 9664), (302, 8960), (320, 8456), (448, 6040), (512, 5285), (560, 4832), (604, 4480), (640, 4228), (755, 3584), (896, 3020), (1057, 2560), (1120, 2416), (1208, 2240), (1280, 2114), (1510, 1792)]