6437960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 15681600

約数和(自身を除く): 9243640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 197, 215, 344, 380, 394, 430, 760, 788, 817, 860, 985, 1576, 1634, 1720, 1970, 3268, 3743, 3940, 4085, 6536, 7486, 7880, 8170, 8471, 14972, 16340, 16942, 18715, 29944, 32680, 33884, 37430, 42355, 67768, 74860, 84710, 149720, 160949, 169420, 321898, 338840, 643796, 804745, 1287592, 1609490, 3218980, 6437960]

約数ペア:

[(1, 6437960), (2, 3218980), (4, 1609490), (5, 1287592), (8, 804745), (10, 643796), (19, 338840), (20, 321898), (38, 169420), (40, 160949), (43, 149720), (76, 84710), (86, 74860), (95, 67768), (152, 42355), (172, 37430), (190, 33884), (197, 32680), (215, 29944), (344, 18715), (380, 16942), (394, 16340), (430, 14972), (760, 8471), (788, 8170), (817, 7880), (860, 7486), (985, 6536), (1576, 4085), (1634, 3940), (1720, 3743), (1970, 3268)]