68869620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2437}}^1$

素因数の和:2609

約数の個数: 72

約数和(自身を含む): 210321384

約数和(自身を除く): 141451764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2355, 2437, 2826, 3140, 4710, 4874, 5652, 7065, 7311, 9420, 9748, 12185, 14130, 14622, 21933, 24370, 28260, 29244, 36555, 43866, 48740, 73110, 87732, 109665, 146220, 219330, 382609, 438660, 765218, 1147827, 1530436, 1913045, 2295654, 3443481, 3826090, 4591308, 5739135, 6886962, 7652180, 11478270, 13773924, 17217405, 22956540, 34434810, 68869620]

約数ペア:

[(1, 68869620), (2, 34434810), (3, 22956540), (4, 17217405), (5, 13773924), (6, 11478270), (9, 7652180), (10, 6886962), (12, 5739135), (15, 4591308), (18, 3826090), (20, 3443481), (30, 2295654), (36, 1913045), (45, 1530436), (60, 1147827), (90, 765218), (157, 438660), (180, 382609), (314, 219330), (471, 146220), (628, 109665), (785, 87732), (942, 73110), (1413, 48740), (1570, 43866), (1884, 36555), (2355, 29244), (2437, 28260), (2826, 24370), (3140, 21933), (4710, 14622), (4874, 14130), (5652, 12185), (7065, 9748), (7311, 9420)]