16738680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19927}}^1$

素因数の和:19948

約数の個数: 64

約数和(自身を含む): 57392640

約数和(自身を除く): 40653960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 19927, 39854, 59781, 79708, 99635, 119562, 139489, 159416, 199270, 239124, 278978, 298905, 398540, 418467, 478248, 557956, 597810, 697445, 797080, 836934, 1115912, 1195620, 1394890, 1673868, 2092335, 2391240, 2789780, 3347736, 4184670, 5579560, 8369340, 16738680]

約数ペア:

[(1, 16738680), (2, 8369340), (3, 5579560), (4, 4184670), (5, 3347736), (6, 2789780), (7, 2391240), (8, 2092335), (10, 1673868), (12, 1394890), (14, 1195620), (15, 1115912), (20, 836934), (21, 797080), (24, 697445), (28, 597810), (30, 557956), (35, 478248), (40, 418467), (42, 398540), (56, 298905), (60, 278978), (70, 239124), (84, 199270), (105, 159416), (120, 139489), (140, 119562), (168, 99635), (210, 79708), (280, 59781), (420, 39854), (840, 19927)]