12708780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{30259}}^1$

素因数の和:30278

約数の個数: 48

約数和(自身を含む): 40669440

約数和(自身を除く): 27960660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 30259, 60518, 90777, 121036, 151295, 181554, 211813, 302590, 363108, 423626, 453885, 605180, 635439, 847252, 907770, 1059065, 1270878, 1815540, 2118130, 2541756, 3177195, 4236260, 6354390, 12708780]

約数ペア:

[(1, 12708780), (2, 6354390), (3, 4236260), (4, 3177195), (5, 2541756), (6, 2118130), (7, 1815540), (10, 1270878), (12, 1059065), (14, 907770), (15, 847252), (20, 635439), (21, 605180), (28, 453885), (30, 423626), (35, 363108), (42, 302590), (60, 211813), (70, 181554), (84, 151295), (105, 121036), (140, 90777), (210, 60518), (420, 30259)]