15247840

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{607}}^1$

素因数の和:779

約数の個数: 48

約数和(自身を含む): 36312192

約数和(自身を除く): 21064352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 607, 628, 785, 1214, 1256, 1570, 2428, 2512, 3035, 3140, 4856, 5024, 6070, 6280, 9712, 12140, 12560, 19424, 24280, 25120, 48560, 95299, 97120, 190598, 381196, 476495, 762392, 952990, 1524784, 1905980, 3049568, 3811960, 7623920, 15247840]

約数ペア:

[(1, 15247840), (2, 7623920), (4, 3811960), (5, 3049568), (8, 1905980), (10, 1524784), (16, 952990), (20, 762392), (32, 476495), (40, 381196), (80, 190598), (157, 97120), (160, 95299), (314, 48560), (607, 25120), (628, 24280), (785, 19424), (1214, 12560), (1256, 12140), (1570, 9712), (2428, 6280), (2512, 6070), (3035, 5024), (3140, 4856)]