640144008

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:356

約数の個数: 192

約数和(自身を含む): 2039132160

約数和(自身を除く): 1398988152

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 73, 84, 126, 127, 137, 146, 168, 219, 252, 254, 274, 292, 381, 411, 438, 504, 508, 511, 548, 584, 657, 762, 822, 876, 889, 959, 1016, 1022, 1096, 1143, 1233, 1314, 1524, 1533, 1644, 1752, 1778, 1918, 2044, 2286, 2466, 2628, 2667, 2877, 3048, 3066, 3288, 3556, 3836, 4088, 4572, 4599, 4932, 5256, 5334, 5754, 6132, 7112, 7672, 8001, 8631, 9144, 9198, 9271, 9864, 10001, 10668, 11508, 12264, 16002, 17262, 17399, 18396, 18542, 20002, 21336, 23016, 27813, 30003, 32004, 34524, 34798, 36792, 37084, 40004, 52197, 55626, 60006, 64008, 64897, 69048, 69596, 70007, 74168, 80008, 83439, 90009, 104394, 111252, 120012, 121793, 129794, 139192, 140014, 156591, 166878, 180018, 194691, 208788, 210021, 222504, 240024, 243586, 259588, 280028, 313182, 333756, 360036, 365379, 389382, 417576, 420042, 487172, 519176, 560056, 584073, 626364, 630063, 667512, 720072, 730758, 778764, 840084, 974344, 1096137, 1168146, 1252728, 1260126, 1270127, 1461516, 1557528, 1680168, 2192274, 2336292, 2520252, 2540254, 2923032, 3810381, 4384548, 4672584, 5040504, 5080508, 7620762, 8769096, 8890889, 10161016, 11431143, 15241524, 17781778, 22862286, 26672667, 30483048, 35563556, 45724572, 53345334, 71127112, 80018001, 91449144, 106690668, 160036002, 213381336, 320072004, 640144008]

約数ペア:

[(1, 640144008), (2, 320072004), (3, 213381336), (4, 160036002), (6, 106690668), (7, 91449144), (8, 80018001), (9, 71127112), (12, 53345334), (14, 45724572), (18, 35563556), (21, 30483048), (24, 26672667), (28, 22862286), (36, 17781778), (42, 15241524), (56, 11431143), (63, 10161016), (72, 8890889), (73, 8769096), (84, 7620762), (126, 5080508), (127, 5040504), (137, 4672584), (146, 4384548), (168, 3810381), (219, 2923032), (252, 2540254), (254, 2520252), (274, 2336292), (292, 2192274), (381, 1680168), (411, 1557528), (438, 1461516), (504, 1270127), (508, 1260126), (511, 1252728), (548, 1168146), (584, 1096137), (657, 974344), (762, 840084), (822, 778764), (876, 730758), (889, 720072), (959, 667512), (1016, 630063), (1022, 626364), (1096, 584073), (1143, 560056), (1233, 519176), (1314, 487172), (1524, 420042), (1533, 417576), (1644, 389382), (1752, 365379), (1778, 360036), (1918, 333756), (2044, 313182), (2286, 280028), (2466, 259588), (2628, 243586), (2667, 240024), (2877, 222504), (3048, 210021), (3066, 208788), (3288, 194691), (3556, 180018), (3836, 166878), (4088, 156591), (4572, 140014), (4599, 139192), (4932, 129794), (5256, 121793), (5334, 120012), (5754, 111252), (6132, 104394), (7112, 90009), (7672, 83439), (8001, 80008), (8631, 74168), (9144, 70007), (9198, 69596), (9271, 69048), (9864, 64897), (10001, 64008), (10668, 60006), (11508, 55626), (12264, 52197), (16002, 40004), (17262, 37084), (17399, 36792), (18396, 34798), (18542, 34524), (20002, 32004), (21336, 30003), (23016, 27813)]