68580840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1619}}^1$

素因数の和:1986

約数の個数: 64

約数和(自身を含む): 206452800

約数和(自身を除く): 137871960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 353, 706, 1059, 1412, 1619, 1765, 2118, 2824, 3238, 3530, 4236, 4857, 5295, 6476, 7060, 8095, 8472, 9714, 10590, 12952, 14120, 16190, 19428, 21180, 24285, 32380, 38856, 42360, 48570, 64760, 97140, 194280, 571507, 1143014, 1714521, 2286028, 2857535, 3429042, 4572056, 5715070, 6858084, 8572605, 11430140, 13716168, 17145210, 22860280, 34290420, 68580840]

約数ペア:

[(1, 68580840), (2, 34290420), (3, 22860280), (4, 17145210), (5, 13716168), (6, 11430140), (8, 8572605), (10, 6858084), (12, 5715070), (15, 4572056), (20, 3429042), (24, 2857535), (30, 2286028), (40, 1714521), (60, 1143014), (120, 571507), (353, 194280), (706, 97140), (1059, 64760), (1412, 48570), (1619, 42360), (1765, 38856), (2118, 32380), (2824, 24285), (3238, 21180), (3530, 19428), (4236, 16190), (4857, 14120), (5295, 12952), (6476, 10590), (7060, 9714), (8095, 8472)]