661921344

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{907}}^1$

素因数の和:1113

約数の個数: 168

約数和(自身を含む): 2182701248

約数和(自身を除く): 1520779904

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, 144, 168, 181, 192, 224, 252, 288, 336, 362, 448, 504, 543, 576, 672, 724, 907, 1008, 1086, 1267, 1344, 1448, 1629, 1814, 2016, 2172, 2534, 2721, 2896, 3258, 3628, 3801, 4032, 4344, 5068, 5442, 5792, 6349, 6516, 7256, 7602, 8163, 8688, 10136, 10884, 11403, 11584, 12698, 13032, 14512, 15204, 16326, 17376, 19047, 20272, 21768, 22806, 25396, 26064, 29024, 30408, 32652, 34752, 38094, 40544, 43536, 45612, 50792, 52128, 57141, 58048, 60816, 65304, 76188, 81088, 87072, 91224, 101584, 104256, 114282, 121632, 130608, 152376, 164167, 174144, 182448, 203168, 228564, 243264, 261216, 304752, 328334, 364896, 406336, 457128, 492501, 522432, 609504, 656668, 729792, 914256, 985002, 1149169, 1219008, 1313336, 1477503, 1828512, 1970004, 2298338, 2626672, 2955006, 3447507, 3657024, 3940008, 4596676, 5253344, 5910012, 6895014, 7880016, 9193352, 10342521, 10506688, 11820024, 13790028, 15760032, 18386704, 20685042, 23640048, 27580056, 31520064, 36773408, 41370084, 47280096, 55160112, 73546816, 82740168, 94560192, 110320224, 165480336, 220640448, 330960672, 661921344]

約数ペア:

[(1, 661921344), (2, 330960672), (3, 220640448), (4, 165480336), (6, 110320224), (7, 94560192), (8, 82740168), (9, 73546816), (12, 55160112), (14, 47280096), (16, 41370084), (18, 36773408), (21, 31520064), (24, 27580056), (28, 23640048), (32, 20685042), (36, 18386704), (42, 15760032), (48, 13790028), (56, 11820024), (63, 10506688), (64, 10342521), (72, 9193352), (84, 7880016), (96, 6895014), (112, 5910012), (126, 5253344), (144, 4596676), (168, 3940008), (181, 3657024), (192, 3447507), (224, 2955006), (252, 2626672), (288, 2298338), (336, 1970004), (362, 1828512), (448, 1477503), (504, 1313336), (543, 1219008), (576, 1149169), (672, 985002), (724, 914256), (907, 729792), (1008, 656668), (1086, 609504), (1267, 522432), (1344, 492501), (1448, 457128), (1629, 406336), (1814, 364896), (2016, 328334), (2172, 304752), (2534, 261216), (2721, 243264), (2896, 228564), (3258, 203168), (3628, 182448), (3801, 174144), (4032, 164167), (4344, 152376), (5068, 130608), (5442, 121632), (5792, 114282), (6349, 104256), (6516, 101584), (7256, 91224), (7602, 87072), (8163, 81088), (8688, 76188), (10136, 65304), (10884, 60816), (11403, 58048), (11584, 57141), (12698, 52128), (13032, 50792), (14512, 45612), (15204, 43536), (16326, 40544), (17376, 38094), (19047, 34752), (20272, 32652), (21768, 30408), (22806, 29024), (25396, 26064)]