163840128

素因数分解:

$2^7\times 3^1\times {\mathrm{131}}^1\times {\mathrm{3257}}^1$

素因数の和:3405

約数の個数: 64

約数和(自身を含む): 438657120

約数和(自身を除く): 274816992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 131, 192, 262, 384, 393, 524, 786, 1048, 1572, 2096, 3144, 3257, 4192, 6288, 6514, 8384, 9771, 12576, 13028, 16768, 19542, 25152, 26056, 39084, 50304, 52112, 78168, 104224, 156336, 208448, 312672, 416896, 426667, 625344, 853334, 1250688, 1280001, 1706668, 2560002, 3413336, 5120004, 6826672, 10240008, 13653344, 20480016, 27306688, 40960032, 54613376, 81920064, 163840128]

約数ペア:

[(1, 163840128), (2, 81920064), (3, 54613376), (4, 40960032), (6, 27306688), (8, 20480016), (12, 13653344), (16, 10240008), (24, 6826672), (32, 5120004), (48, 3413336), (64, 2560002), (96, 1706668), (128, 1280001), (131, 1250688), (192, 853334), (262, 625344), (384, 426667), (393, 416896), (524, 312672), (786, 208448), (1048, 156336), (1572, 104224), (2096, 78168), (3144, 52112), (3257, 50304), (4192, 39084), (6288, 26056), (6514, 25152), (8384, 19542), (9771, 16768), (12576, 13028)]