80870520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{673921}}^1$

素因数の和:673935

約数の個数: 32

約数和(自身を含む): 242611920

約数和(自身を除く): 161741400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 673921, 1347842, 2021763, 2695684, 3369605, 4043526, 5391368, 6739210, 8087052, 10108815, 13478420, 16174104, 20217630, 26956840, 40435260, 80870520]

約数ペア:

[(1, 80870520), (2, 40435260), (3, 26956840), (4, 20217630), (5, 16174104), (6, 13478420), (8, 10108815), (10, 8087052), (12, 6739210), (15, 5391368), (20, 4043526), (24, 3369605), (30, 2695684), (40, 2021763), (60, 1347842), (120, 673921)]