2880920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{10289}}^1$

素因数の和:10307

約数の個数: 32

約数和(自身を含む): 7408800

約数和(自身を除く): 4527880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 10289, 20578, 41156, 51445, 72023, 82312, 102890, 144046, 205780, 288092, 360115, 411560, 576184, 720230, 1440460, 2880920]

約数ペア:

[(1, 2880920), (2, 1440460), (4, 720230), (5, 576184), (7, 411560), (8, 360115), (10, 288092), (14, 205780), (20, 144046), (28, 102890), (35, 82312), (40, 72023), (56, 51445), (70, 41156), (140, 20578), (280, 10289)]