15663990080

素因数分解:

$2^6\times 5^1\times {\mathrm{197}}^1\times {\mathrm{248477}}^1$

素因数の和:248691

約数の個数: 56

約数和(自身を含む): 37489366728

約数和(自身を除く): 21825376648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 197, 320, 394, 788, 985, 1576, 1970, 3152, 3940, 6304, 7880, 12608, 15760, 31520, 63040, 248477, 496954, 993908, 1242385, 1987816, 2484770, 3975632, 4969540, 7951264, 9939080, 15902528, 19878160, 39756320, 48949969, 79512640, 97899938, 195799876, 244749845, 391599752, 489499690, 783199504, 978999380, 1566399008, 1957998760, 3132798016, 3915997520, 7831995040, 15663990080]

約数ペア:

[(1, 15663990080), (2, 7831995040), (4, 3915997520), (5, 3132798016), (8, 1957998760), (10, 1566399008), (16, 978999380), (20, 783199504), (32, 489499690), (40, 391599752), (64, 244749845), (80, 195799876), (160, 97899938), (197, 79512640), (320, 48949969), (394, 39756320), (788, 19878160), (985, 15902528), (1576, 9939080), (1970, 7951264), (3152, 4969540), (3940, 3975632), (6304, 2484770), (7880, 1987816), (12608, 1242385), (15760, 993908), (31520, 496954), (63040, 248477)]