16888978680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{20105927}}^1$

素因数の和:20105948

約数の個数: 64

約数和(自身を含む): 57905072640

約数和(自身を除く): 41016093960

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, 20105927, 40211854, 60317781, 80423708, 100529635, 120635562, 140741489, 160847416, 201059270, 241271124, 281482978, 301588905, 402118540, 422224467, 482542248, 562965956, 603177810, 703707445, 804237080, 844448934, 1125931912, 1206355620, 1407414890, 1688897868, 2111122335, 2412711240, 2814829780, 3377795736, 4222244670, 5629659560, 8444489340, 16888978680]

約数ペア:

[(1, 16888978680), (2, 8444489340), (3, 5629659560), (4, 4222244670), (5, 3377795736), (6, 2814829780), (7, 2412711240), (8, 2111122335), (10, 1688897868), (12, 1407414890), (14, 1206355620), (15, 1125931912), (20, 844448934), (21, 804237080), (24, 703707445), (28, 603177810), (30, 562965956), (35, 482542248), (40, 422224467), (42, 402118540), (56, 301588905), (60, 281482978), (70, 241271124), (84, 201059270), (105, 160847416), (120, 140741489), (140, 120635562), (168, 100529635), (210, 80423708), (280, 60317781), (420, 40211854), (840, 20105927)]