115881680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 281232000

約数和(自身を除く): 165350320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 199, 232, 251, 290, 398, 464, 502, 580, 796, 995, 1004, 1160, 1255, 1592, 1990, 2008, 2320, 2510, 3184, 3980, 4016, 5020, 5771, 7279, 7960, 10040, 11542, 14558, 15920, 20080, 23084, 28855, 29116, 36395, 46168, 49949, 57710, 58232, 72790, 92336, 99898, 115420, 116464, 145580, 199796, 230840, 249745, 291160, 399592, 461680, 499490, 582320, 799184, 998980, 1448521, 1997960, 2897042, 3995920, 5794084, 7242605, 11588168, 14485210, 23176336, 28970420, 57940840, 115881680]

約数ペア:

[(1, 115881680), (2, 57940840), (4, 28970420), (5, 23176336), (8, 14485210), (10, 11588168), (16, 7242605), (20, 5794084), (29, 3995920), (40, 2897042), (58, 1997960), (80, 1448521), (116, 998980), (145, 799184), (199, 582320), (232, 499490), (251, 461680), (290, 399592), (398, 291160), (464, 249745), (502, 230840), (580, 199796), (796, 145580), (995, 116464), (1004, 115420), (1160, 99898), (1255, 92336), (1592, 72790), (1990, 58232), (2008, 57710), (2320, 49949), (2510, 46168), (3184, 36395), (3980, 29116), (4016, 28855), (5020, 23084), (5771, 20080), (7279, 15920), (7960, 14558), (10040, 11542)]