8757990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 23616000

約数和(自身を除く): 14858010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 163, 199, 270, 326, 398, 489, 597, 815, 978, 995, 1194, 1467, 1630, 1791, 1990, 2445, 2934, 2985, 3582, 4401, 4890, 5373, 5970, 7335, 8802, 8955, 10746, 14670, 17910, 22005, 26865, 32437, 44010, 53730, 64874, 97311, 162185, 194622, 291933, 324370, 486555, 583866, 875799, 973110, 1459665, 1751598, 2919330, 4378995, 8757990]

約数ペア:

[(1, 8757990), (2, 4378995), (3, 2919330), (5, 1751598), (6, 1459665), (9, 973110), (10, 875799), (15, 583866), (18, 486555), (27, 324370), (30, 291933), (45, 194622), (54, 162185), (90, 97311), (135, 64874), (163, 53730), (199, 44010), (270, 32437), (326, 26865), (398, 22005), (489, 17910), (597, 14670), (815, 10746), (978, 8955), (995, 8802), (1194, 7335), (1467, 5970), (1630, 5373), (1791, 4890), (1990, 4401), (2445, 3582), (2934, 2985)]