278551728

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{733}}^1$

素因数の和:796

約数の個数: 240

約数和(自身を含む): 993894720

約数和(自身を除く): 715342992

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 29, 36, 39, 42, 48, 52, 56, 58, 63, 72, 78, 84, 87, 91, 104, 112, 116, 117, 126, 144, 156, 168, 174, 182, 203, 208, 232, 234, 252, 261, 273, 312, 336, 348, 364, 377, 406, 464, 468, 504, 522, 546, 609, 624, 696, 728, 733, 754, 812, 819, 936, 1008, 1044, 1092, 1131, 1218, 1392, 1456, 1466, 1508, 1624, 1638, 1827, 1872, 2088, 2184, 2199, 2262, 2436, 2639, 2932, 3016, 3248, 3276, 3393, 3654, 4176, 4368, 4398, 4524, 4872, 5131, 5278, 5864, 6032, 6552, 6597, 6786, 7308, 7917, 8796, 9048, 9529, 9744, 10262, 10556, 11728, 13104, 13194, 13572, 14616, 15393, 15834, 17592, 18096, 19058, 20524, 21112, 21257, 23751, 26388, 27144, 28587, 29232, 30786, 31668, 35184, 38116, 41048, 42224, 42514, 46179, 47502, 52776, 54288, 57174, 61572, 63336, 63771, 66703, 76232, 82096, 85028, 85761, 92358, 95004, 105552, 114348, 123144, 126672, 127542, 133406, 148799, 152464, 170056, 171522, 184716, 190008, 191313, 200109, 228696, 246288, 255084, 266812, 276341, 297598, 340112, 343044, 369432, 380016, 382626, 400218, 446397, 457392, 510168, 533624, 552682, 595196, 600327, 686088, 738864, 765252, 800436, 829023, 892794, 1020336, 1067248, 1105364, 1190392, 1200654, 1339191, 1372176, 1530504, 1600872, 1658046, 1785588, 1934387, 2210728, 2380784, 2401308, 2487069, 2678382, 3061008, 3201744, 3316092, 3571176, 3868774, 4421456, 4802616, 4974138, 5356764, 5803161, 6632184, 7142352, 7737548, 9605232, 9948276, 10713528, 11606322, 13264368, 15475096, 17409483, 19896552, 21427056, 23212644, 30950192, 34818966, 39793104, 46425288, 69637932, 92850576, 139275864, 278551728]

約数ペア:

[(1, 278551728), (2, 139275864), (3, 92850576), (4, 69637932), (6, 46425288), (7, 39793104), (8, 34818966), (9, 30950192), (12, 23212644), (13, 21427056), (14, 19896552), (16, 17409483), (18, 15475096), (21, 13264368), (24, 11606322), (26, 10713528), (28, 9948276), (29, 9605232), (36, 7737548), (39, 7142352), (42, 6632184), (48, 5803161), (52, 5356764), (56, 4974138), (58, 4802616), (63, 4421456), (72, 3868774), (78, 3571176), (84, 3316092), (87, 3201744), (91, 3061008), (104, 2678382), (112, 2487069), (116, 2401308), (117, 2380784), (126, 2210728), (144, 1934387), (156, 1785588), (168, 1658046), (174, 1600872), (182, 1530504), (203, 1372176), (208, 1339191), (232, 1200654), (234, 1190392), (252, 1105364), (261, 1067248), (273, 1020336), (312, 892794), (336, 829023), (348, 800436), (364, 765252), (377, 738864), (406, 686088), (464, 600327), (468, 595196), (504, 552682), (522, 533624), (546, 510168), (609, 457392), (624, 446397), (696, 400218), (728, 382626), (733, 380016), (754, 369432), (812, 343044), (819, 340112), (936, 297598), (1008, 276341), (1044, 266812), (1092, 255084), (1131, 246288), (1218, 228696), (1392, 200109), (1456, 191313), (1466, 190008), (1508, 184716), (1624, 171522), (1638, 170056), (1827, 152464), (1872, 148799), (2088, 133406), (2184, 127542), (2199, 126672), (2262, 123144), (2436, 114348), (2639, 105552), (2932, 95004), (3016, 92358), (3248, 85761), (3276, 85028), (3393, 82096), (3654, 76232), (4176, 66703), (4368, 63771), (4398, 63336), (4524, 61572), (4872, 57174), (5131, 54288), (5278, 52776), (5864, 47502), (6032, 46179), (6552, 42514), (6597, 42224), (6786, 41048), (7308, 38116), (7917, 35184), (8796, 31668), (9048, 30786), (9529, 29232), (9744, 28587), (10262, 27144), (10556, 26388), (11728, 23751), (13104, 21257), (13194, 21112), (13572, 20524), (14616, 19058), (15393, 18096), (15834, 17592)]