400128768

素因数分解:

$2^8\times 3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 288

約数和(自身を含む): 1312902080

約数和(自身を除く): 912773312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 61, 64, 72, 73, 78, 96, 104, 108, 117, 122, 128, 144, 146, 156, 183, 192, 208, 216, 219, 234, 244, 256, 288, 292, 312, 351, 366, 384, 416, 432, 438, 468, 488, 549, 576, 584, 624, 657, 702, 732, 768, 793, 832, 864, 876, 936, 949, 976, 1098, 1152, 1168, 1248, 1314, 1404, 1464, 1586, 1647, 1664, 1728, 1752, 1872, 1898, 1952, 1971, 2196, 2304, 2336, 2379, 2496, 2628, 2808, 2847, 2928, 3172, 3294, 3328, 3456, 3504, 3744, 3796, 3904, 3942, 4392, 4453, 4672, 4758, 4992, 5256, 5616, 5694, 5856, 6344, 6588, 6912, 7008, 7137, 7488, 7592, 7808, 7884, 8541, 8784, 8906, 9344, 9516, 9984, 10512, 11232, 11388, 11712, 12688, 13176, 13359, 14016, 14274, 14976, 15184, 15616, 15768, 17082, 17568, 17812, 18688, 19032, 21024, 21411, 22464, 22776, 23424, 25376, 25623, 26352, 26718, 28032, 28548, 29952, 30368, 31536, 34164, 35136, 35624, 38064, 40077, 42048, 42822, 44928, 45552, 46848, 50752, 51246, 52704, 53436, 56064, 57096, 57889, 60736, 63072, 68328, 70272, 71248, 76128, 80154, 84096, 85644, 89856, 91104, 101504, 102492, 105408, 106872, 114192, 115778, 120231, 121472, 126144, 136656, 140544, 142496, 152256, 160308, 168192, 171288, 173667, 182208, 203008, 204984, 210816, 213744, 228384, 231556, 240462, 242944, 252288, 273312, 284992, 304512, 320616, 342576, 347334, 364416, 409968, 421632, 427488, 456768, 463112, 480924, 504576, 521001, 546624, 569984, 609024, 641232, 685152, 694668, 728832, 819936, 854976, 913536, 926224, 961848, 1042002, 1093248, 1139968, 1282464, 1370304, 1389336, 1563003, 1639872, 1709952, 1827072, 1852448, 1923696, 2084004, 2186496, 2564928, 2740608, 2778672, 3126006, 3279744, 3419904, 3704896, 3847392, 4168008, 5129856, 5481216, 5557344, 6252012, 6559488, 7409792, 7694784, 8336016, 10259712, 11114688, 12504024, 14819584, 15389568, 16672032, 22229376, 25008048, 30779136, 33344064, 44458752, 50016096, 66688128, 100032192, 133376256, 200064384, 400128768]

約数ペア:

[(1, 400128768), (2, 200064384), (3, 133376256), (4, 100032192), (6, 66688128), (8, 50016096), (9, 44458752), (12, 33344064), (13, 30779136), (16, 25008048), (18, 22229376), (24, 16672032), (26, 15389568), (27, 14819584), (32, 12504024), (36, 11114688), (39, 10259712), (48, 8336016), (52, 7694784), (54, 7409792), (61, 6559488), (64, 6252012), (72, 5557344), (73, 5481216), (78, 5129856), (96, 4168008), (104, 3847392), (108, 3704896), (117, 3419904), (122, 3279744), (128, 3126006), (144, 2778672), (146, 2740608), (156, 2564928), (183, 2186496), (192, 2084004), (208, 1923696), (216, 1852448), (219, 1827072), (234, 1709952), (244, 1639872), (256, 1563003), (288, 1389336), (292, 1370304), (312, 1282464), (351, 1139968), (366, 1093248), (384, 1042002), (416, 961848), (432, 926224), (438, 913536), (468, 854976), (488, 819936), (549, 728832), (576, 694668), (584, 685152), (624, 641232), (657, 609024), (702, 569984), (732, 546624), (768, 521001), (793, 504576), (832, 480924), (864, 463112), (876, 456768), (936, 427488), (949, 421632), (976, 409968), (1098, 364416), (1152, 347334), (1168, 342576), (1248, 320616), (1314, 304512), (1404, 284992), (1464, 273312), (1586, 252288), (1647, 242944), (1664, 240462), (1728, 231556), (1752, 228384), (1872, 213744), (1898, 210816), (1952, 204984), (1971, 203008), (2196, 182208), (2304, 173667), (2336, 171288), (2379, 168192), (2496, 160308), (2628, 152256), (2808, 142496), (2847, 140544), (2928, 136656), (3172, 126144), (3294, 121472), (3328, 120231), (3456, 115778), (3504, 114192), (3744, 106872), (3796, 105408), (3904, 102492), (3942, 101504), (4392, 91104), (4453, 89856), (4672, 85644), (4758, 84096), (4992, 80154), (5256, 76128), (5616, 71248), (5694, 70272), (5856, 68328), (6344, 63072), (6588, 60736), (6912, 57889), (7008, 57096), (7137, 56064), (7488, 53436), (7592, 52704), (7808, 51246), (7884, 50752), (8541, 46848), (8784, 45552), (8906, 44928), (9344, 42822), (9516, 42048), (9984, 40077), (10512, 38064), (11232, 35624), (11388, 35136), (11712, 34164), (12688, 31536), (13176, 30368), (13359, 29952), (14016, 28548), (14274, 28032), (14976, 26718), (15184, 26352), (15616, 25623), (15768, 25376), (17082, 23424), (17568, 22776), (17812, 22464), (18688, 21411), (19032, 21024)]