320864256

素因数分解:

$2^{21}\times 3^2\times {\mathrm{17}}^1$

素因数の和:65

約数の個数: 132

約数和(自身を含む): 981466902

約数和(自身を除く): 660602646

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 64, 68, 72, 96, 102, 128, 136, 144, 153, 192, 204, 256, 272, 288, 306, 384, 408, 512, 544, 576, 612, 768, 816, 1024, 1088, 1152, 1224, 1536, 1632, 2048, 2176, 2304, 2448, 3072, 3264, 4096, 4352, 4608, 4896, 6144, 6528, 8192, 8704, 9216, 9792, 12288, 13056, 16384, 17408, 18432, 19584, 24576, 26112, 32768, 34816, 36864, 39168, 49152, 52224, 65536, 69632, 73728, 78336, 98304, 104448, 131072, 139264, 147456, 156672, 196608, 208896, 262144, 278528, 294912, 313344, 393216, 417792, 524288, 557056, 589824, 626688, 786432, 835584, 1048576, 1114112, 1179648, 1253376, 1572864, 1671168, 2097152, 2228224, 2359296, 2506752, 3145728, 3342336, 4456448, 4718592, 5013504, 6291456, 6684672, 8912896, 9437184, 10027008, 13369344, 17825792, 18874368, 20054016, 26738688, 35651584, 40108032, 53477376, 80216064, 106954752, 160432128, 320864256]

約数ペア:

[(1, 320864256), (2, 160432128), (3, 106954752), (4, 80216064), (6, 53477376), (8, 40108032), (9, 35651584), (12, 26738688), (16, 20054016), (17, 18874368), (18, 17825792), (24, 13369344), (32, 10027008), (34, 9437184), (36, 8912896), (48, 6684672), (51, 6291456), (64, 5013504), (68, 4718592), (72, 4456448), (96, 3342336), (102, 3145728), (128, 2506752), (136, 2359296), (144, 2228224), (153, 2097152), (192, 1671168), (204, 1572864), (256, 1253376), (272, 1179648), (288, 1114112), (306, 1048576), (384, 835584), (408, 786432), (512, 626688), (544, 589824), (576, 557056), (612, 524288), (768, 417792), (816, 393216), (1024, 313344), (1088, 294912), (1152, 278528), (1224, 262144), (1536, 208896), (1632, 196608), (2048, 156672), (2176, 147456), (2304, 139264), (2448, 131072), (3072, 104448), (3264, 98304), (4096, 78336), (4352, 73728), (4608, 69632), (4896, 65536), (6144, 52224), (6528, 49152), (8192, 39168), (8704, 36864), (9216, 34816), (9792, 32768), (12288, 26112), (13056, 24576), (16384, 19584), (17408, 18432)]