15019720

素因数分解:

$2^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{811}}^1$

素因数の和:1285

約数の個数: 32

約数和(自身を含む): 33909120

約数和(自身を除く): 18889400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 463, 811, 926, 1622, 1852, 2315, 3244, 3704, 4055, 4630, 6488, 8110, 9260, 16220, 18520, 32440, 375493, 750986, 1501972, 1877465, 3003944, 3754930, 7509860, 15019720]

約数ペア:

[(1, 15019720), (2, 7509860), (4, 3754930), (5, 3003944), (8, 1877465), (10, 1501972), (20, 750986), (40, 375493), (463, 32440), (811, 18520), (926, 16220), (1622, 9260), (1852, 8110), (2315, 6488), (3244, 4630), (3704, 4055)]