1020880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1823}}^1$

素因数の和:1843

約数の個数: 40

約数和(自身を含む): 2714112

約数和(自身を除く): 1693232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1823, 3646, 7292, 9115, 12761, 14584, 18230, 25522, 29168, 36460, 51044, 63805, 72920, 102088, 127610, 145840, 204176, 255220, 510440, 1020880]

約数ペア:

[(1, 1020880), (2, 510440), (4, 255220), (5, 204176), (7, 145840), (8, 127610), (10, 102088), (14, 72920), (16, 63805), (20, 51044), (28, 36460), (35, 29168), (40, 25522), (56, 18230), (70, 14584), (80, 12761), (112, 9115), (140, 7292), (280, 3646), (560, 1823)]