2806120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 6613380

約数和(自身を除く): 3807260

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 73, 124, 146, 155, 248, 292, 310, 365, 584, 620, 730, 961, 1240, 1460, 1922, 2263, 2920, 3844, 4526, 4805, 7688, 9052, 9610, 11315, 18104, 19220, 22630, 38440, 45260, 70153, 90520, 140306, 280612, 350765, 561224, 701530, 1403060, 2806120]

約数ペア:

[(1, 2806120), (2, 1403060), (4, 701530), (5, 561224), (8, 350765), (10, 280612), (20, 140306), (31, 90520), (40, 70153), (62, 45260), (73, 38440), (124, 22630), (146, 19220), (155, 18104), (248, 11315), (292, 9610), (310, 9052), (365, 7688), (584, 4805), (620, 4526), (730, 3844), (961, 2920), (1240, 2263), (1460, 1922)]