128081880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{355783}}^1$

素因数の和:355800

約数の個数: 48

約数和(自身を含む): 416267280

約数和(自身を除く): 288185400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 355783, 711566, 1067349, 1423132, 1778915, 2134698, 2846264, 3202047, 3557830, 4269396, 5336745, 6404094, 7115660, 8538792, 10673490, 12808188, 14231320, 16010235, 21346980, 25616376, 32020470, 42693960, 64040940, 128081880]

約数ペア:

[(1, 128081880), (2, 64040940), (3, 42693960), (4, 32020470), (5, 25616376), (6, 21346980), (8, 16010235), (9, 14231320), (10, 12808188), (12, 10673490), (15, 8538792), (18, 7115660), (20, 6404094), (24, 5336745), (30, 4269396), (36, 3557830), (40, 3202047), (45, 2846264), (60, 2134698), (72, 1778915), (90, 1423132), (120, 1067349), (180, 711566), (360, 355783)]