87237780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{207709}}^1$

素因数の和:207728

約数の個数: 48

約数和(自身を含む): 279162240

約数和(自身を除く): 191924460

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, 207709, 415418, 623127, 830836, 1038545, 1246254, 1453963, 2077090, 2492508, 2907926, 3115635, 4154180, 4361889, 5815852, 6231270, 7269815, 8723778, 12462540, 14539630, 17447556, 21809445, 29079260, 43618890, 87237780]

約数ペア:

[(1, 87237780), (2, 43618890), (3, 29079260), (4, 21809445), (5, 17447556), (6, 14539630), (7, 12462540), (10, 8723778), (12, 7269815), (14, 6231270), (15, 5815852), (20, 4361889), (21, 4154180), (28, 3115635), (30, 2907926), (35, 2492508), (42, 2077090), (60, 1453963), (70, 1246254), (84, 1038545), (105, 830836), (140, 623127), (210, 415418), (420, 207709)]