2507490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 6894720

約数和(自身を除く): 4387230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 251, 270, 333, 370, 502, 555, 666, 753, 999, 1110, 1255, 1506, 1665, 1998, 2259, 2510, 3330, 3765, 4518, 4995, 6777, 7530, 9287, 9990, 11295, 13554, 18574, 22590, 27861, 33885, 46435, 55722, 67770, 83583, 92870, 139305, 167166, 250749, 278610, 417915, 501498, 835830, 1253745, 2507490]

約数ペア:

[(1, 2507490), (2, 1253745), (3, 835830), (5, 501498), (6, 417915), (9, 278610), (10, 250749), (15, 167166), (18, 139305), (27, 92870), (30, 83583), (37, 67770), (45, 55722), (54, 46435), (74, 33885), (90, 27861), (111, 22590), (135, 18574), (185, 13554), (222, 11295), (251, 9990), (270, 9287), (333, 7530), (370, 6777), (502, 4995), (555, 4518), (666, 3765), (753, 3330), (999, 2510), (1110, 2259), (1255, 1998), (1506, 1665)]