81696090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{389029}}^1$

素因数の和:389046

約数の個数: 32

約数和(自身を含む): 224081280

約数和(自身を除く): 142385190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 389029, 778058, 1167087, 1945145, 2334174, 2723203, 3890290, 5446406, 5835435, 8169609, 11670870, 13616015, 16339218, 27232030, 40848045, 81696090]

約数ペア:

[(1, 81696090), (2, 40848045), (3, 27232030), (5, 16339218), (6, 13616015), (7, 11670870), (10, 8169609), (14, 5835435), (15, 5446406), (21, 3890290), (30, 2723203), (35, 2334174), (42, 1945145), (70, 1167087), (105, 778058), (210, 389029)]