641104128

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:469

約数の個数: 216

約数和(自身を含む): 2135963648

約数和(自身を除く): 1494859520

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 127, 128, 144, 168, 192, 224, 252, 254, 256, 288, 313, 336, 381, 384, 448, 504, 508, 576, 626, 672, 762, 768, 889, 896, 939, 1008, 1016, 1143, 1152, 1252, 1344, 1524, 1778, 1792, 1878, 2016, 2032, 2191, 2286, 2304, 2504, 2667, 2688, 2817, 3048, 3556, 3756, 4032, 4064, 4382, 4572, 5008, 5334, 5376, 5634, 6096, 6573, 7112, 7512, 8001, 8064, 8128, 8764, 9144, 10016, 10668, 11268, 12192, 13146, 14224, 15024, 16002, 16128, 16256, 17528, 18288, 19719, 20032, 21336, 22536, 24384, 26292, 28448, 30048, 32004, 32512, 35056, 36576, 39438, 39751, 40064, 42672, 45072, 48768, 52584, 56896, 60096, 64008, 70112, 73152, 78876, 79502, 80128, 85344, 90144, 97536, 105168, 113792, 119253, 120192, 128016, 140224, 146304, 157752, 159004, 170688, 180288, 210336, 227584, 238506, 240384, 256032, 278257, 280448, 292608, 315504, 318008, 341376, 357759, 360576, 420672, 477012, 512064, 556514, 560896, 631008, 636016, 682752, 715518, 721152, 834771, 841344, 954024, 1024128, 1113028, 1262016, 1272032, 1431036, 1669542, 1682688, 1908048, 2048256, 2226056, 2504313, 2524032, 2544064, 2862072, 3339084, 3816096, 4452112, 5008626, 5048064, 5088128, 5724144, 6678168, 7632192, 8904224, 10017252, 10176256, 11448288, 13356336, 15264384, 17808448, 20034504, 22896576, 26712672, 30528768, 35616896, 40069008, 45793152, 53425344, 71233792, 80138016, 91586304, 106850688, 160276032, 213701376, 320552064, 641104128]

約数ペア:

[(1, 641104128), (2, 320552064), (3, 213701376), (4, 160276032), (6, 106850688), (7, 91586304), (8, 80138016), (9, 71233792), (12, 53425344), (14, 45793152), (16, 40069008), (18, 35616896), (21, 30528768), (24, 26712672), (28, 22896576), (32, 20034504), (36, 17808448), (42, 15264384), (48, 13356336), (56, 11448288), (63, 10176256), (64, 10017252), (72, 8904224), (84, 7632192), (96, 6678168), (112, 5724144), (126, 5088128), (127, 5048064), (128, 5008626), (144, 4452112), (168, 3816096), (192, 3339084), (224, 2862072), (252, 2544064), (254, 2524032), (256, 2504313), (288, 2226056), (313, 2048256), (336, 1908048), (381, 1682688), (384, 1669542), (448, 1431036), (504, 1272032), (508, 1262016), (576, 1113028), (626, 1024128), (672, 954024), (762, 841344), (768, 834771), (889, 721152), (896, 715518), (939, 682752), (1008, 636016), (1016, 631008), (1143, 560896), (1152, 556514), (1252, 512064), (1344, 477012), (1524, 420672), (1778, 360576), (1792, 357759), (1878, 341376), (2016, 318008), (2032, 315504), (2191, 292608), (2286, 280448), (2304, 278257), (2504, 256032), (2667, 240384), (2688, 238506), (2817, 227584), (3048, 210336), (3556, 180288), (3756, 170688), (4032, 159004), (4064, 157752), (4382, 146304), (4572, 140224), (5008, 128016), (5334, 120192), (5376, 119253), (5634, 113792), (6096, 105168), (6573, 97536), (7112, 90144), (7512, 85344), (8001, 80128), (8064, 79502), (8128, 78876), (8764, 73152), (9144, 70112), (10016, 64008), (10668, 60096), (11268, 56896), (12192, 52584), (13146, 48768), (14224, 45072), (15024, 42672), (16002, 40064), (16128, 39751), (16256, 39438), (17528, 36576), (18288, 35056), (19719, 32512), (20032, 32004), (21336, 30048), (22536, 28448), (24384, 26292)]