68693580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{381631}}^1$

素因数の和:381646

約数の個数: 36

約数和(自身を含む): 208371072

約数和(自身を除く): 139677492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 381631, 763262, 1144893, 1526524, 1908155, 2289786, 3434679, 3816310, 4579572, 5724465, 6869358, 7632620, 11448930, 13738716, 17173395, 22897860, 34346790, 68693580]

約数ペア:

[(1, 68693580), (2, 34346790), (3, 22897860), (4, 17173395), (5, 13738716), (6, 11448930), (9, 7632620), (10, 6869358), (12, 5724465), (15, 4579572), (18, 3816310), (20, 3434679), (30, 2289786), (36, 1908155), (45, 1526524), (60, 1144893), (90, 763262), (180, 381631)]