171840256

素因数分解:

$2^8\times 7^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 144

約数和(自身を含む): 425152000

約数和(自身を除く): 253311744

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 76, 98, 103, 112, 128, 133, 152, 196, 206, 224, 256, 266, 304, 343, 392, 412, 448, 532, 608, 686, 721, 784, 824, 896, 931, 1064, 1216, 1372, 1442, 1568, 1648, 1792, 1862, 1957, 2128, 2432, 2744, 2884, 3136, 3296, 3724, 3914, 4256, 4864, 5047, 5488, 5768, 6272, 6517, 6592, 7448, 7828, 8512, 10094, 10976, 11536, 12544, 13034, 13184, 13699, 14896, 15656, 17024, 20188, 21952, 23072, 26068, 26368, 27398, 29792, 31312, 34048, 35329, 40376, 43904, 46144, 52136, 54796, 59584, 62624, 70658, 80752, 87808, 92288, 95893, 104272, 109592, 119168, 125248, 141316, 161504, 184576, 191786, 208544, 219184, 238336, 250496, 282632, 323008, 383572, 417088, 438368, 500992, 565264, 646016, 671251, 767144, 834176, 876736, 1130528, 1292032, 1342502, 1534288, 1668352, 1753472, 2261056, 2685004, 3068576, 3506944, 4522112, 5370008, 6137152, 9044224, 10740016, 12274304, 21480032, 24548608, 42960064, 85920128, 171840256]

約数ペア:

[(1, 171840256), (2, 85920128), (4, 42960064), (7, 24548608), (8, 21480032), (14, 12274304), (16, 10740016), (19, 9044224), (28, 6137152), (32, 5370008), (38, 4522112), (49, 3506944), (56, 3068576), (64, 2685004), (76, 2261056), (98, 1753472), (103, 1668352), (112, 1534288), (128, 1342502), (133, 1292032), (152, 1130528), (196, 876736), (206, 834176), (224, 767144), (256, 671251), (266, 646016), (304, 565264), (343, 500992), (392, 438368), (412, 417088), (448, 383572), (532, 323008), (608, 282632), (686, 250496), (721, 238336), (784, 219184), (824, 208544), (896, 191786), (931, 184576), (1064, 161504), (1216, 141316), (1372, 125248), (1442, 119168), (1568, 109592), (1648, 104272), (1792, 95893), (1862, 92288), (1957, 87808), (2128, 80752), (2432, 70658), (2744, 62624), (2884, 59584), (3136, 54796), (3296, 52136), (3724, 46144), (3914, 43904), (4256, 40376), (4864, 35329), (5047, 34048), (5488, 31312), (5768, 29792), (6272, 27398), (6517, 26368), (6592, 26068), (7448, 23072), (7828, 21952), (8512, 20188), (10094, 17024), (10976, 15656), (11536, 14896), (12544, 13699), (13034, 13184)]