256961664

素因数分解:

$2^7\times 3^2\times {\mathrm{17}}^1\times {\mathrm{13121}}^1$

素因数の和:13158

約数の個数: 96

約数和(自身を含む): 782989740

約数和(自身を除く): 526028076

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, 272, 288, 306, 384, 408, 544, 576, 612, 816, 1088, 1152, 1224, 1632, 2176, 2448, 3264, 4896, 6528, 9792, 13121, 19584, 26242, 39363, 52484, 78726, 104968, 118089, 157452, 209936, 223057, 236178, 314904, 419872, 446114, 472356, 629808, 669171, 839744, 892228, 944712, 1259616, 1338342, 1679488, 1784456, 1889424, 2007513, 2519232, 2676684, 3568912, 3778848, 4015026, 5038464, 5353368, 7137824, 7557696, 8030052, 10706736, 14275648, 15115392, 16060104, 21413472, 28551296, 32120208, 42826944, 64240416, 85653888, 128480832, 256961664]

約数ペア:

[(1, 256961664), (2, 128480832), (3, 85653888), (4, 64240416), (6, 42826944), (8, 32120208), (9, 28551296), (12, 21413472), (16, 16060104), (17, 15115392), (18, 14275648), (24, 10706736), (32, 8030052), (34, 7557696), (36, 7137824), (48, 5353368), (51, 5038464), (64, 4015026), (68, 3778848), (72, 3568912), (96, 2676684), (102, 2519232), (128, 2007513), (136, 1889424), (144, 1784456), (153, 1679488), (192, 1338342), (204, 1259616), (272, 944712), (288, 892228), (306, 839744), (384, 669171), (408, 629808), (544, 472356), (576, 446114), (612, 419872), (816, 314904), (1088, 236178), (1152, 223057), (1224, 209936), (1632, 157452), (2176, 118089), (2448, 104968), (3264, 78726), (4896, 52484), (6528, 39363), (9792, 26242), (13121, 19584)]