2556785655

素因数分解:

$3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1759}}^1$

素因数の和:1910

約数の個数: 80

約数和(自身を含む): 4758378240

約数和(自身を除く): 2201592585

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 97, 111, 135, 185, 291, 333, 405, 485, 555, 873, 999, 1455, 1665, 1759, 2619, 2997, 3589, 4365, 4995, 5277, 7857, 8795, 10767, 13095, 14985, 15831, 17945, 26385, 32301, 39285, 47493, 53835, 65083, 79155, 96903, 142479, 161505, 170623, 195249, 237465, 290709, 325415, 484515, 511869, 585747, 712395, 853115, 976245, 1453545, 1535607, 1757241, 2559345, 2928735, 4606821, 5271723, 6313051, 7678035, 8786205, 13820463, 18939153, 23034105, 26358615, 31565255, 56817459, 69102315, 94695765, 170452377, 284087295, 511357131, 852261885, 2556785655]

約数ペア:

[(1, 2556785655), (3, 852261885), (5, 511357131), (9, 284087295), (15, 170452377), (27, 94695765), (37, 69102315), (45, 56817459), (81, 31565255), (97, 26358615), (111, 23034105), (135, 18939153), (185, 13820463), (291, 8786205), (333, 7678035), (405, 6313051), (485, 5271723), (555, 4606821), (873, 2928735), (999, 2559345), (1455, 1757241), (1665, 1535607), (1759, 1453545), (2619, 976245), (2997, 853115), (3589, 712395), (4365, 585747), (4995, 511869), (5277, 484515), (7857, 325415), (8795, 290709), (10767, 237465), (13095, 195249), (14985, 170623), (15831, 161505), (17945, 142479), (26385, 96903), (32301, 79155), (39285, 65083), (47493, 53835)]