571620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1361}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 1830528

約数和(自身を除く): 1258908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1361, 2722, 4083, 5444, 6805, 8166, 9527, 13610, 16332, 19054, 20415, 27220, 28581, 38108, 40830, 47635, 57162, 81660, 95270, 114324, 142905, 190540, 285810, 571620]

約数ペア:

[(1, 571620), (2, 285810), (3, 190540), (4, 142905), (5, 114324), (6, 95270), (7, 81660), (10, 57162), (12, 47635), (14, 40830), (15, 38108), (20, 28581), (21, 27220), (28, 20415), (30, 19054), (35, 16332), (42, 13610), (60, 9527), (70, 8166), (84, 6805), (105, 5444), (140, 4083), (210, 2722), (420, 1361)]