1158920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4139}}^1$

素因数の和:4157

約数の個数: 32

約数和(自身を含む): 2980800

約数和(自身を除く): 1821880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4139, 8278, 16556, 20695, 28973, 33112, 41390, 57946, 82780, 115892, 144865, 165560, 231784, 289730, 579460, 1158920]

約数ペア:

[(1, 1158920), (2, 579460), (4, 289730), (5, 231784), (7, 165560), (8, 144865), (10, 115892), (14, 82780), (20, 57946), (28, 41390), (35, 33112), (40, 28973), (56, 20695), (70, 16556), (140, 8278), (280, 4139)]