71518880

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2269}}^1$

素因数の和:2481

約数の個数: 48

約数和(自身を含む): 169895880

約数和(自身を除く): 98377000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1576, 1970, 2269, 3152, 3940, 4538, 6304, 7880, 9076, 11345, 15760, 18152, 22690, 31520, 36304, 45380, 72608, 90760, 181520, 363040, 446993, 893986, 1787972, 2234965, 3575944, 4469930, 7151888, 8939860, 14303776, 17879720, 35759440, 71518880]

約数ペア:

[(1, 71518880), (2, 35759440), (4, 17879720), (5, 14303776), (8, 8939860), (10, 7151888), (16, 4469930), (20, 3575944), (32, 2234965), (40, 1787972), (80, 893986), (160, 446993), (197, 363040), (394, 181520), (788, 90760), (985, 72608), (1576, 45380), (1970, 36304), (2269, 31520), (3152, 22690), (3940, 18152), (4538, 15760), (6304, 11345), (7880, 9076)]