1620696280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{5788201}}^1$

素因数の和:5788219

約数の個数: 32

約数和(自身を含む): 4167505440

約数和(自身を除く): 2546809160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 5788201, 11576402, 23152804, 28941005, 40517407, 46305608, 57882010, 81034814, 115764020, 162069628, 202587035, 231528040, 324139256, 405174070, 810348140, 1620696280]

約数ペア:

[(1, 1620696280), (2, 810348140), (4, 405174070), (5, 324139256), (7, 231528040), (8, 202587035), (10, 162069628), (14, 115764020), (20, 81034814), (28, 57882010), (35, 46305608), (40, 40517407), (56, 28941005), (70, 23152804), (140, 11576402), (280, 5788201)]