661589376

素因数分解:

$2^7\times 3^1\times 7^3\times {\mathrm{5023}}^1$

素因数の和:5061

約数の個数: 128

約数和(自身を含む): 2049792000

約数和(自身を除く): 1388202624

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 294, 336, 343, 384, 392, 448, 588, 672, 686, 784, 896, 1029, 1176, 1344, 1372, 1568, 2058, 2352, 2688, 2744, 3136, 4116, 4704, 5023, 5488, 6272, 8232, 9408, 10046, 10976, 15069, 16464, 18816, 20092, 21952, 30138, 32928, 35161, 40184, 43904, 60276, 65856, 70322, 80368, 105483, 120552, 131712, 140644, 160736, 210966, 241104, 246127, 281288, 321472, 421932, 482208, 492254, 562576, 642944, 738381, 843864, 964416, 984508, 1125152, 1476762, 1687728, 1722889, 1928832, 1969016, 2250304, 2953524, 3375456, 3445778, 3938032, 4500608, 5168667, 5907048, 6750912, 6891556, 7876064, 10337334, 11814096, 13501824, 13783112, 15752128, 20674668, 23628192, 27566224, 31504256, 41349336, 47256384, 55132448, 82698672, 94512768, 110264896, 165397344, 220529792, 330794688, 661589376]

約数ペア:

[(1, 661589376), (2, 330794688), (3, 220529792), (4, 165397344), (6, 110264896), (7, 94512768), (8, 82698672), (12, 55132448), (14, 47256384), (16, 41349336), (21, 31504256), (24, 27566224), (28, 23628192), (32, 20674668), (42, 15752128), (48, 13783112), (49, 13501824), (56, 11814096), (64, 10337334), (84, 7876064), (96, 6891556), (98, 6750912), (112, 5907048), (128, 5168667), (147, 4500608), (168, 3938032), (192, 3445778), (196, 3375456), (224, 2953524), (294, 2250304), (336, 1969016), (343, 1928832), (384, 1722889), (392, 1687728), (448, 1476762), (588, 1125152), (672, 984508), (686, 964416), (784, 843864), (896, 738381), (1029, 642944), (1176, 562576), (1344, 492254), (1372, 482208), (1568, 421932), (2058, 321472), (2352, 281288), (2688, 246127), (2744, 241104), (3136, 210966), (4116, 160736), (4704, 140644), (5023, 131712), (5488, 120552), (6272, 105483), (8232, 80368), (9408, 70322), (10046, 65856), (10976, 60276), (15069, 43904), (16464, 40184), (18816, 35161), (20092, 32928), (21952, 30138)]