67487980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20959}}^1$

素因数の和:20998

約数の個数: 48

約数和(自身を含む): 169021440

約数和(自身を除く): 101533460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 20959, 41918, 83836, 104795, 146713, 209590, 293426, 419180, 482057, 586852, 733565, 964114, 1467130, 1928228, 2410285, 2934260, 3374399, 4820570, 6748798, 9641140, 13497596, 16871995, 33743990, 67487980]

約数ペア:

[(1, 67487980), (2, 33743990), (4, 16871995), (5, 13497596), (7, 9641140), (10, 6748798), (14, 4820570), (20, 3374399), (23, 2934260), (28, 2410285), (35, 1928228), (46, 1467130), (70, 964114), (92, 733565), (115, 586852), (140, 482057), (161, 419180), (230, 293426), (322, 209590), (460, 146713), (644, 104795), (805, 83836), (1610, 41918), (3220, 20959)]