2868369280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{640261}}^1$

素因数の和:640287

約数の個数: 64

約数和(自身を含む): 7836806880

約数和(自身を除く): 4968437600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 640261, 1280522, 2561044, 3201305, 4481827, 5122088, 6402610, 8963654, 10244176, 12805220, 17927308, 20488352, 22409135, 25610440, 35854616, 40976704, 44818270, 51220880, 71709232, 81953408, 89636540, 102441760, 143418464, 179273080, 204883520, 286836928, 358546160, 409767040, 573673856, 717092320, 1434184640, 2868369280]

約数ペア:

[(1, 2868369280), (2, 1434184640), (4, 717092320), (5, 573673856), (7, 409767040), (8, 358546160), (10, 286836928), (14, 204883520), (16, 179273080), (20, 143418464), (28, 102441760), (32, 89636540), (35, 81953408), (40, 71709232), (56, 51220880), (64, 44818270), (70, 40976704), (80, 35854616), (112, 25610440), (128, 22409135), (140, 20488352), (160, 17927308), (224, 12805220), (280, 10244176), (320, 8963654), (448, 6402610), (560, 5122088), (640, 4481827), (896, 3201305), (1120, 2561044), (2240, 1280522), (4480, 640261)]