2739180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 7789824

約数和(自身を除く): 5050644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 643, 710, 852, 1065, 1286, 1420, 1929, 2130, 2572, 3215, 3858, 4260, 6430, 7716, 9645, 12860, 19290, 38580, 45653, 91306, 136959, 182612, 228265, 273918, 456530, 547836, 684795, 913060, 1369590, 2739180]

約数ペア:

[(1, 2739180), (2, 1369590), (3, 913060), (4, 684795), (5, 547836), (6, 456530), (10, 273918), (12, 228265), (15, 182612), (20, 136959), (30, 91306), (60, 45653), (71, 38580), (142, 19290), (213, 12860), (284, 9645), (355, 7716), (426, 6430), (643, 4260), (710, 3858), (852, 3215), (1065, 2572), (1286, 2130), (1420, 1929)]