68656728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 209318400

約数和(自身を除く): 140661672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 137, 152, 157, 168, 228, 266, 274, 314, 399, 411, 456, 471, 532, 548, 628, 798, 822, 942, 959, 1064, 1096, 1099, 1256, 1596, 1644, 1884, 1918, 2198, 2603, 2877, 2983, 3192, 3288, 3297, 3768, 3836, 4396, 5206, 5754, 5966, 6594, 7672, 7809, 8792, 8949, 10412, 11508, 11932, 13188, 15618, 17898, 18221, 20824, 20881, 21509, 23016, 23864, 26376, 31236, 35796, 36442, 41762, 43018, 54663, 62472, 62643, 64527, 71592, 72884, 83524, 86036, 109326, 125286, 129054, 145768, 150563, 167048, 172072, 218652, 250572, 258108, 301126, 408671, 437304, 451689, 501144, 516216, 602252, 817342, 903378, 1204504, 1226013, 1634684, 1806756, 2452026, 2860697, 3269368, 3613512, 4904052, 5721394, 8582091, 9808104, 11442788, 17164182, 22885576, 34328364, 68656728]

約数ペア:

[(1, 68656728), (2, 34328364), (3, 22885576), (4, 17164182), (6, 11442788), (7, 9808104), (8, 8582091), (12, 5721394), (14, 4904052), (19, 3613512), (21, 3269368), (24, 2860697), (28, 2452026), (38, 1806756), (42, 1634684), (56, 1226013), (57, 1204504), (76, 903378), (84, 817342), (114, 602252), (133, 516216), (137, 501144), (152, 451689), (157, 437304), (168, 408671), (228, 301126), (266, 258108), (274, 250572), (314, 218652), (399, 172072), (411, 167048), (456, 150563), (471, 145768), (532, 129054), (548, 125286), (628, 109326), (798, 86036), (822, 83524), (942, 72884), (959, 71592), (1064, 64527), (1096, 62643), (1099, 62472), (1256, 54663), (1596, 43018), (1644, 41762), (1884, 36442), (1918, 35796), (2198, 31236), (2603, 26376), (2877, 23864), (2983, 23016), (3192, 21509), (3288, 20881), (3297, 20824), (3768, 18221), (3836, 17898), (4396, 15618), (5206, 13188), (5754, 11932), (5966, 11508), (6594, 10412), (7672, 8949), (7809, 8792)]