2165310

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{491}}^1$

素因数の和:518

約数の個数: 72

約数和(自身を含む): 6562296

約数和(自身を除く): 4396986

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 491, 630, 735, 882, 982, 1470, 1473, 2205, 2455, 2946, 3437, 4410, 4419, 4910, 6874, 7365, 8838, 10311, 14730, 17185, 20622, 22095, 24059, 30933, 34370, 44190, 48118, 51555, 61866, 72177, 103110, 120295, 144354, 154665, 216531, 240590, 309330, 360885, 433062, 721770, 1082655, 2165310]

約数ペア:

[(1, 2165310), (2, 1082655), (3, 721770), (5, 433062), (6, 360885), (7, 309330), (9, 240590), (10, 216531), (14, 154665), (15, 144354), (18, 120295), (21, 103110), (30, 72177), (35, 61866), (42, 51555), (45, 48118), (49, 44190), (63, 34370), (70, 30933), (90, 24059), (98, 22095), (105, 20622), (126, 17185), (147, 14730), (210, 10311), (245, 8838), (294, 7365), (315, 6874), (441, 4910), (490, 4419), (491, 4410), (630, 3437), (735, 2946), (882, 2455), (982, 2205), (1470, 1473)]