66810080

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21977}}^1$

素因数の和:22011

約数の個数: 48

約数和(自身を含む): 166153680

約数和(自身を除く): 99343600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 21977, 43954, 87908, 109885, 175816, 219770, 351632, 417563, 439540, 703264, 835126, 879080, 1670252, 1758160, 2087815, 3340504, 3516320, 4175630, 6681008, 8351260, 13362016, 16702520, 33405040, 66810080]

約数ペア:

[(1, 66810080), (2, 33405040), (4, 16702520), (5, 13362016), (8, 8351260), (10, 6681008), (16, 4175630), (19, 3516320), (20, 3340504), (32, 2087815), (38, 1758160), (40, 1670252), (76, 879080), (80, 835126), (95, 703264), (152, 439540), (160, 417563), (190, 351632), (304, 219770), (380, 175816), (608, 109885), (760, 87908), (1520, 43954), (3040, 21977)]