1520403920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2715007}}^1$

素因数の和:2715027

約数の個数: 40

約数和(自身を含む): 4039931904

約数和(自身を除く): 2519527984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2715007, 5430014, 10860028, 13575035, 19005049, 21720056, 27150070, 38010098, 43440112, 54300140, 76020196, 95025245, 108600280, 152040392, 190050490, 217200560, 304080784, 380100980, 760201960, 1520403920]

約数ペア:

[(1, 1520403920), (2, 760201960), (4, 380100980), (5, 304080784), (7, 217200560), (8, 190050490), (10, 152040392), (14, 108600280), (16, 95025245), (20, 76020196), (28, 54300140), (35, 43440112), (40, 38010098), (56, 27150070), (70, 21720056), (80, 19005049), (112, 13575035), (140, 10860028), (280, 5430014), (560, 2715007)]