161939712

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:720

約数の個数: 144

約数和(自身を含む): 487126080

約数和(自身を除く): 325186368

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 29, 32, 33, 44, 48, 58, 64, 66, 87, 88, 96, 116, 128, 132, 174, 176, 192, 232, 256, 264, 319, 348, 352, 384, 464, 528, 638, 661, 696, 704, 768, 928, 957, 1056, 1276, 1322, 1392, 1408, 1856, 1914, 1983, 2112, 2552, 2644, 2784, 2816, 3712, 3828, 3966, 4224, 5104, 5288, 5568, 7271, 7424, 7656, 7932, 8448, 10208, 10576, 11136, 14542, 15312, 15864, 19169, 20416, 21152, 21813, 22272, 29084, 30624, 31728, 38338, 40832, 42304, 43626, 57507, 58168, 61248, 63456, 76676, 81664, 84608, 87252, 115014, 116336, 122496, 126912, 153352, 169216, 174504, 210859, 230028, 232672, 244992, 253824, 306704, 349008, 421718, 460056, 465344, 507648, 613408, 632577, 698016, 843436, 920112, 930688, 1226816, 1265154, 1396032, 1686872, 1840224, 1861376, 2453632, 2530308, 2792064, 3373744, 3680448, 4907264, 5060616, 5584128, 6747488, 7360896, 10121232, 13494976, 14721792, 20242464, 26989952, 40484928, 53979904, 80969856, 161939712]

約数ペア:

[(1, 161939712), (2, 80969856), (3, 53979904), (4, 40484928), (6, 26989952), (8, 20242464), (11, 14721792), (12, 13494976), (16, 10121232), (22, 7360896), (24, 6747488), (29, 5584128), (32, 5060616), (33, 4907264), (44, 3680448), (48, 3373744), (58, 2792064), (64, 2530308), (66, 2453632), (87, 1861376), (88, 1840224), (96, 1686872), (116, 1396032), (128, 1265154), (132, 1226816), (174, 930688), (176, 920112), (192, 843436), (232, 698016), (256, 632577), (264, 613408), (319, 507648), (348, 465344), (352, 460056), (384, 421718), (464, 349008), (528, 306704), (638, 253824), (661, 244992), (696, 232672), (704, 230028), (768, 210859), (928, 174504), (957, 169216), (1056, 153352), (1276, 126912), (1322, 122496), (1392, 116336), (1408, 115014), (1856, 87252), (1914, 84608), (1983, 81664), (2112, 76676), (2552, 63456), (2644, 61248), (2784, 58168), (2816, 57507), (3712, 43626), (3828, 42304), (3966, 40832), (4224, 38338), (5104, 31728), (5288, 30624), (5568, 29084), (7271, 22272), (7424, 21813), (7656, 21152), (7932, 20416), (8448, 19169), (10208, 15864), (10576, 15312), (11136, 14542)]