254803968

素因数分解:

$2^{20}\times 3^5$

素因数の和:55

約数の個数: 126

約数和(自身を含む): 763362964

約数和(自身を除く): 508558996

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 256, 288, 324, 384, 432, 486, 512, 576, 648, 768, 864, 972, 1024, 1152, 1296, 1536, 1728, 1944, 2048, 2304, 2592, 3072, 3456, 3888, 4096, 4608, 5184, 6144, 6912, 7776, 8192, 9216, 10368, 12288, 13824, 15552, 16384, 18432, 20736, 24576, 27648, 31104, 32768, 36864, 41472, 49152, 55296, 62208, 65536, 73728, 82944, 98304, 110592, 124416, 131072, 147456, 165888, 196608, 221184, 248832, 262144, 294912, 331776, 393216, 442368, 497664, 524288, 589824, 663552, 786432, 884736, 995328, 1048576, 1179648, 1327104, 1572864, 1769472, 1990656, 2359296, 2654208, 3145728, 3538944, 3981312, 4718592, 5308416, 7077888, 7962624, 9437184, 10616832, 14155776, 15925248, 21233664, 28311552, 31850496, 42467328, 63700992, 84934656, 127401984, 254803968]

約数ペア:

[(1, 254803968), (2, 127401984), (3, 84934656), (4, 63700992), (6, 42467328), (8, 31850496), (9, 28311552), (12, 21233664), (16, 15925248), (18, 14155776), (24, 10616832), (27, 9437184), (32, 7962624), (36, 7077888), (48, 5308416), (54, 4718592), (64, 3981312), (72, 3538944), (81, 3145728), (96, 2654208), (108, 2359296), (128, 1990656), (144, 1769472), (162, 1572864), (192, 1327104), (216, 1179648), (243, 1048576), (256, 995328), (288, 884736), (324, 786432), (384, 663552), (432, 589824), (486, 524288), (512, 497664), (576, 442368), (648, 393216), (768, 331776), (864, 294912), (972, 262144), (1024, 248832), (1152, 221184), (1296, 196608), (1536, 165888), (1728, 147456), (1944, 131072), (2048, 124416), (2304, 110592), (2592, 98304), (3072, 82944), (3456, 73728), (3888, 65536), (4096, 62208), (4608, 55296), (5184, 49152), (6144, 41472), (6912, 36864), (7776, 32768), (8192, 31104), (9216, 27648), (10368, 24576), (12288, 20736), (13824, 18432), (15552, 16384)]