15242540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 34255872

約数和(自身を除く): 19013332

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 127, 170, 254, 340, 353, 508, 635, 706, 1270, 1412, 1765, 2159, 2540, 3530, 4318, 6001, 7060, 8636, 10795, 12002, 21590, 24004, 30005, 43180, 44831, 60010, 89662, 120020, 179324, 224155, 448310, 762127, 896620, 1524254, 3048508, 3810635, 7621270, 15242540]

約数ペア:

[(1, 15242540), (2, 7621270), (4, 3810635), (5, 3048508), (10, 1524254), (17, 896620), (20, 762127), (34, 448310), (68, 224155), (85, 179324), (127, 120020), (170, 89662), (254, 60010), (340, 44831), (353, 43180), (508, 30005), (635, 24004), (706, 21590), (1270, 12002), (1412, 10795), (1765, 8636), (2159, 7060), (2540, 6001), (3530, 4318)]