161251328

素因数分解:

$2^{15}\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:93

約数の個数: 128

約数和(自身を含む): 398452800

約数和(自身を除く): 237201472

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 37, 38, 56, 64, 74, 76, 112, 128, 133, 148, 152, 224, 256, 259, 266, 296, 304, 448, 512, 518, 532, 592, 608, 703, 896, 1024, 1036, 1064, 1184, 1216, 1406, 1792, 2048, 2072, 2128, 2368, 2432, 2812, 3584, 4096, 4144, 4256, 4736, 4864, 4921, 5624, 7168, 8192, 8288, 8512, 9472, 9728, 9842, 11248, 14336, 16384, 16576, 17024, 18944, 19456, 19684, 22496, 28672, 32768, 33152, 34048, 37888, 38912, 39368, 44992, 57344, 66304, 68096, 75776, 77824, 78736, 89984, 114688, 132608, 136192, 151552, 155648, 157472, 179968, 229376, 265216, 272384, 303104, 311296, 314944, 359936, 530432, 544768, 606208, 622592, 629888, 719872, 1060864, 1089536, 1212416, 1259776, 1439744, 2121728, 2179072, 2519552, 2879488, 4243456, 4358144, 5039104, 5758976, 8486912, 10078208, 11517952, 20156416, 23035904, 40312832, 80625664, 161251328]

約数ペア:

[(1, 161251328), (2, 80625664), (4, 40312832), (7, 23035904), (8, 20156416), (14, 11517952), (16, 10078208), (19, 8486912), (28, 5758976), (32, 5039104), (37, 4358144), (38, 4243456), (56, 2879488), (64, 2519552), (74, 2179072), (76, 2121728), (112, 1439744), (128, 1259776), (133, 1212416), (148, 1089536), (152, 1060864), (224, 719872), (256, 629888), (259, 622592), (266, 606208), (296, 544768), (304, 530432), (448, 359936), (512, 314944), (518, 311296), (532, 303104), (592, 272384), (608, 265216), (703, 229376), (896, 179968), (1024, 157472), (1036, 155648), (1064, 151552), (1184, 136192), (1216, 132608), (1406, 114688), (1792, 89984), (2048, 78736), (2072, 77824), (2128, 75776), (2368, 68096), (2432, 66304), (2812, 57344), (3584, 44992), (4096, 39368), (4144, 38912), (4256, 37888), (4736, 34048), (4864, 33152), (4921, 32768), (5624, 28672), (7168, 22496), (8192, 19684), (8288, 19456), (8512, 18944), (9472, 17024), (9728, 16576), (9842, 16384), (11248, 14336)]