12978660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7459}}^1$

素因数の和:7500

約数の個数: 48

約数和(自身を含む): 37598400

約数和(自身を除く): 24619740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 7459, 14918, 22377, 29836, 37295, 44754, 74590, 89508, 111885, 149180, 216311, 223770, 432622, 447540, 648933, 865244, 1081555, 1297866, 2163110, 2595732, 3244665, 4326220, 6489330, 12978660]

約数ペア:

[(1, 12978660), (2, 6489330), (3, 4326220), (4, 3244665), (5, 2595732), (6, 2163110), (10, 1297866), (12, 1081555), (15, 865244), (20, 648933), (29, 447540), (30, 432622), (58, 223770), (60, 216311), (87, 149180), (116, 111885), (145, 89508), (174, 74590), (290, 44754), (348, 37295), (435, 29836), (580, 22377), (870, 14918), (1740, 7459)]