15971720

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1759}}^1$

素因数の和:1997

約数の個数: 32

約数和(自身を含む): 36115200

約数和(自身を除く): 20143480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1759, 1816, 2270, 3518, 4540, 7036, 8795, 9080, 14072, 17590, 35180, 70360, 399293, 798586, 1597172, 1996465, 3194344, 3992930, 7985860, 15971720]

約数ペア:

[(1, 15971720), (2, 7985860), (4, 3992930), (5, 3194344), (8, 1996465), (10, 1597172), (20, 798586), (40, 399293), (227, 70360), (454, 35180), (908, 17590), (1135, 14072), (1759, 9080), (1816, 8795), (2270, 7036), (3518, 4540)]