66949960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21737}}^1$

素因数の和:21766

約数の個数: 64

約数和(自身を含む): 187816320

約数和(自身を除く): 120866360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 21737, 43474, 86948, 108685, 152159, 173896, 217370, 239107, 304318, 434740, 478214, 608636, 760795, 869480, 956428, 1195535, 1217272, 1521590, 1673749, 1912856, 2391070, 3043180, 3347498, 4782140, 6086360, 6694996, 8368745, 9564280, 13389992, 16737490, 33474980, 66949960]

約数ペア:

[(1, 66949960), (2, 33474980), (4, 16737490), (5, 13389992), (7, 9564280), (8, 8368745), (10, 6694996), (11, 6086360), (14, 4782140), (20, 3347498), (22, 3043180), (28, 2391070), (35, 1912856), (40, 1673749), (44, 1521590), (55, 1217272), (56, 1195535), (70, 956428), (77, 869480), (88, 760795), (110, 608636), (140, 478214), (154, 434740), (220, 304318), (280, 239107), (308, 217370), (385, 173896), (440, 152159), (616, 108685), (770, 86948), (1540, 43474), (3080, 21737)]