8543220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20341}}^1$

素因数の和:20360

約数の個数: 48

約数和(自身を含む): 27339648

約数和(自身を除く): 18796428

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, 20341, 40682, 61023, 81364, 101705, 122046, 142387, 203410, 244092, 284774, 305115, 406820, 427161, 569548, 610230, 711935, 854322, 1220460, 1423870, 1708644, 2135805, 2847740, 4271610, 8543220]

約数ペア:

[(1, 8543220), (2, 4271610), (3, 2847740), (4, 2135805), (5, 1708644), (6, 1423870), (7, 1220460), (10, 854322), (12, 711935), (14, 610230), (15, 569548), (20, 427161), (21, 406820), (28, 305115), (30, 284774), (35, 244092), (42, 203410), (60, 142387), (70, 122046), (84, 101705), (105, 81364), (140, 61023), (210, 40682), (420, 20341)]