668778768

素因数分解:

$2^4\times 3^6\times 7^1\times {\mathrm{8191}}^1$

素因数の和:8224

約数の個数: 140

約数和(自身を含む): 2220556288

約数和(自身を除く): 1551777520

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 81, 84, 108, 112, 126, 144, 162, 168, 189, 216, 243, 252, 324, 336, 378, 432, 486, 504, 567, 648, 729, 756, 972, 1008, 1134, 1296, 1458, 1512, 1701, 1944, 2268, 2916, 3024, 3402, 3888, 4536, 5103, 5832, 6804, 8191, 9072, 10206, 11664, 13608, 16382, 20412, 24573, 27216, 32764, 40824, 49146, 57337, 65528, 73719, 81648, 98292, 114674, 131056, 147438, 172011, 196584, 221157, 229348, 294876, 344022, 393168, 442314, 458696, 516033, 589752, 663471, 688044, 884628, 917392, 1032066, 1179504, 1326942, 1376088, 1548099, 1769256, 1990413, 2064132, 2653884, 2752176, 3096198, 3538512, 3980826, 4128264, 4644297, 5307768, 5971239, 6192396, 7961652, 8256528, 9288594, 10615536, 11942478, 12384792, 13932891, 15923304, 18577188, 23884956, 24769584, 27865782, 31846608, 37154376, 41798673, 47769912, 55731564, 74308752, 83597346, 95539824, 111463128, 167194692, 222926256, 334389384, 668778768]

約数ペア:

[(1, 668778768), (2, 334389384), (3, 222926256), (4, 167194692), (6, 111463128), (7, 95539824), (8, 83597346), (9, 74308752), (12, 55731564), (14, 47769912), (16, 41798673), (18, 37154376), (21, 31846608), (24, 27865782), (27, 24769584), (28, 23884956), (36, 18577188), (42, 15923304), (48, 13932891), (54, 12384792), (56, 11942478), (63, 10615536), (72, 9288594), (81, 8256528), (84, 7961652), (108, 6192396), (112, 5971239), (126, 5307768), (144, 4644297), (162, 4128264), (168, 3980826), (189, 3538512), (216, 3096198), (243, 2752176), (252, 2653884), (324, 2064132), (336, 1990413), (378, 1769256), (432, 1548099), (486, 1376088), (504, 1326942), (567, 1179504), (648, 1032066), (729, 917392), (756, 884628), (972, 688044), (1008, 663471), (1134, 589752), (1296, 516033), (1458, 458696), (1512, 442314), (1701, 393168), (1944, 344022), (2268, 294876), (2916, 229348), (3024, 221157), (3402, 196584), (3888, 172011), (4536, 147438), (5103, 131056), (5832, 114674), (6804, 98292), (8191, 81648), (9072, 73719), (10206, 65528), (11664, 57337), (13608, 49146), (16382, 40824), (20412, 32764), (24573, 27216)]