31197180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74279}}^1$

素因数の和:74298

約数の個数: 48

約数和(自身を含む): 99832320

約数和(自身を除く): 68635140

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, 74279, 148558, 222837, 297116, 371395, 445674, 519953, 742790, 891348, 1039906, 1114185, 1485580, 1559859, 2079812, 2228370, 2599765, 3119718, 4456740, 5199530, 6239436, 7799295, 10399060, 15598590, 31197180]

約数ペア:

[(1, 31197180), (2, 15598590), (3, 10399060), (4, 7799295), (5, 6239436), (6, 5199530), (7, 4456740), (10, 3119718), (12, 2599765), (14, 2228370), (15, 2079812), (20, 1559859), (21, 1485580), (28, 1114185), (30, 1039906), (35, 891348), (42, 742790), (60, 519953), (70, 445674), (84, 371395), (105, 297116), (140, 222837), (210, 148558), (420, 74279)]