729764560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1303151}}^1$

素因数の和:1303171

約数の個数: 40

約数和(自身を含む): 1939090176

約数和(自身を除く): 1209325616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1303151, 2606302, 5212604, 6515755, 9122057, 10425208, 13031510, 18244114, 20850416, 26063020, 36488228, 45610285, 52126040, 72976456, 91220570, 104252080, 145952912, 182441140, 364882280, 729764560]

約数ペア:

[(1, 729764560), (2, 364882280), (4, 182441140), (5, 145952912), (7, 104252080), (8, 91220570), (10, 72976456), (14, 52126040), (16, 45610285), (20, 36488228), (28, 26063020), (35, 20850416), (40, 18244114), (56, 13031510), (70, 10425208), (80, 9122057), (112, 6515755), (140, 5212604), (280, 2606302), (560, 1303151)]