78090660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1229}}^1$

素因数の和:1597

約数の個数: 72

約数和(自身を含む): 237739320

約数和(自身を除く): 159648660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 353, 706, 1059, 1229, 1412, 1765, 2118, 2458, 3177, 3530, 3687, 4236, 4916, 5295, 6145, 6354, 7060, 7374, 10590, 11061, 12290, 12708, 14748, 15885, 18435, 21180, 22122, 24580, 31770, 36870, 44244, 55305, 63540, 73740, 110610, 221220, 433837, 867674, 1301511, 1735348, 2169185, 2603022, 3904533, 4338370, 5206044, 6507555, 7809066, 8676740, 13015110, 15618132, 19522665, 26030220, 39045330, 78090660]

約数ペア:

[(1, 78090660), (2, 39045330), (3, 26030220), (4, 19522665), (5, 15618132), (6, 13015110), (9, 8676740), (10, 7809066), (12, 6507555), (15, 5206044), (18, 4338370), (20, 3904533), (30, 2603022), (36, 2169185), (45, 1735348), (60, 1301511), (90, 867674), (180, 433837), (353, 221220), (706, 110610), (1059, 73740), (1229, 63540), (1412, 55305), (1765, 44244), (2118, 36870), (2458, 31770), (3177, 24580), (3530, 22122), (3687, 21180), (4236, 18435), (4916, 15885), (5295, 14748), (6145, 12708), (6354, 12290), (7060, 11061), (7374, 10590)]