721744128

素因数分解:

$2^8\times 3^3\times 7^2\times {\mathrm{2131}}^1$

素因数の和:2170

約数の個数: 216

約数和(自身を含む): 2483950560

約数和(自身を除く): 1762206432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 64, 72, 84, 96, 98, 108, 112, 126, 128, 144, 147, 168, 189, 192, 196, 216, 224, 252, 256, 288, 294, 336, 378, 384, 392, 432, 441, 448, 504, 576, 588, 672, 756, 768, 784, 864, 882, 896, 1008, 1152, 1176, 1323, 1344, 1512, 1568, 1728, 1764, 1792, 2016, 2131, 2304, 2352, 2646, 2688, 3024, 3136, 3456, 3528, 4032, 4262, 4704, 5292, 5376, 6048, 6272, 6393, 6912, 7056, 8064, 8524, 9408, 10584, 12096, 12544, 12786, 14112, 14917, 16128, 17048, 18816, 19179, 21168, 24192, 25572, 28224, 29834, 34096, 37632, 38358, 42336, 44751, 48384, 51144, 56448, 57537, 59668, 68192, 76716, 84672, 89502, 102288, 104419, 112896, 115074, 119336, 134253, 136384, 153432, 169344, 179004, 204576, 208838, 230148, 238672, 268506, 272768, 306864, 313257, 338688, 358008, 402759, 409152, 417676, 460296, 477344, 537012, 545536, 613728, 626514, 716016, 805518, 818304, 835352, 920592, 939771, 954688, 1074024, 1227456, 1253028, 1432032, 1611036, 1636608, 1670704, 1841184, 1879542, 1909376, 2148048, 2454912, 2506056, 2819313, 2864064, 3222072, 3341408, 3682368, 3759084, 3818752, 4296096, 4909824, 5012112, 5638626, 5728128, 6444144, 6682816, 7364736, 7518168, 8592192, 10024224, 11277252, 11456256, 12888288, 13365632, 14729472, 15036336, 17184384, 20048448, 22554504, 25776576, 26731264, 30072672, 34368768, 40096896, 45109008, 51553152, 60145344, 80193792, 90218016, 103106304, 120290688, 180436032, 240581376, 360872064, 721744128]

約数ペア:

[(1, 721744128), (2, 360872064), (3, 240581376), (4, 180436032), (6, 120290688), (7, 103106304), (8, 90218016), (9, 80193792), (12, 60145344), (14, 51553152), (16, 45109008), (18, 40096896), (21, 34368768), (24, 30072672), (27, 26731264), (28, 25776576), (32, 22554504), (36, 20048448), (42, 17184384), (48, 15036336), (49, 14729472), (54, 13365632), (56, 12888288), (63, 11456256), (64, 11277252), (72, 10024224), (84, 8592192), (96, 7518168), (98, 7364736), (108, 6682816), (112, 6444144), (126, 5728128), (128, 5638626), (144, 5012112), (147, 4909824), (168, 4296096), (189, 3818752), (192, 3759084), (196, 3682368), (216, 3341408), (224, 3222072), (252, 2864064), (256, 2819313), (288, 2506056), (294, 2454912), (336, 2148048), (378, 1909376), (384, 1879542), (392, 1841184), (432, 1670704), (441, 1636608), (448, 1611036), (504, 1432032), (576, 1253028), (588, 1227456), (672, 1074024), (756, 954688), (768, 939771), (784, 920592), (864, 835352), (882, 818304), (896, 805518), (1008, 716016), (1152, 626514), (1176, 613728), (1323, 545536), (1344, 537012), (1512, 477344), (1568, 460296), (1728, 417676), (1764, 409152), (1792, 402759), (2016, 358008), (2131, 338688), (2304, 313257), (2352, 306864), (2646, 272768), (2688, 268506), (3024, 238672), (3136, 230148), (3456, 208838), (3528, 204576), (4032, 179004), (4262, 169344), (4704, 153432), (5292, 136384), (5376, 134253), (6048, 119336), (6272, 115074), (6393, 112896), (6912, 104419), (7056, 102288), (8064, 89502), (8524, 84672), (9408, 76716), (10584, 68192), (12096, 59668), (12544, 57537), (12786, 56448), (14112, 51144), (14917, 48384), (16128, 44751), (17048, 42336), (18816, 38358), (19179, 37632), (21168, 34096), (24192, 29834), (25572, 28224)]