261991296

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{613}}^1$

素因数の和:693

約数の個数: 192

約数和(自身を含む): 879297120

約数和(自身を除く): 617305824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 53, 56, 63, 64, 72, 84, 96, 106, 112, 126, 128, 144, 159, 168, 192, 212, 224, 252, 288, 318, 336, 371, 384, 424, 448, 477, 504, 576, 613, 636, 672, 742, 848, 896, 954, 1008, 1113, 1152, 1226, 1272, 1344, 1484, 1696, 1839, 1908, 2016, 2226, 2452, 2544, 2688, 2968, 3339, 3392, 3678, 3816, 4032, 4291, 4452, 4904, 5088, 5517, 5936, 6678, 6784, 7356, 7632, 8064, 8582, 8904, 9808, 10176, 11034, 11872, 12873, 13356, 14712, 15264, 17164, 17808, 19616, 20352, 22068, 23744, 25746, 26712, 29424, 30528, 32489, 34328, 35616, 38619, 39232, 44136, 47488, 51492, 53424, 58848, 61056, 64978, 68656, 71232, 77238, 78464, 88272, 97467, 102984, 106848, 117696, 129956, 137312, 142464, 154476, 176544, 194934, 205968, 213696, 227423, 235392, 259912, 274624, 292401, 308952, 353088, 389868, 411936, 427392, 454846, 519824, 549248, 584802, 617904, 682269, 706176, 779736, 823872, 909692, 1039648, 1169604, 1235808, 1364538, 1559472, 1647744, 1819384, 2046807, 2079296, 2339208, 2471616, 2729076, 3118944, 3638768, 4093614, 4158592, 4678416, 4943232, 5458152, 6237888, 7277536, 8187228, 9356832, 10916304, 12475776, 14555072, 16374456, 18713664, 21832608, 29110144, 32748912, 37427328, 43665216, 65497824, 87330432, 130995648, 261991296]

約数ペア:

[(1, 261991296), (2, 130995648), (3, 87330432), (4, 65497824), (6, 43665216), (7, 37427328), (8, 32748912), (9, 29110144), (12, 21832608), (14, 18713664), (16, 16374456), (18, 14555072), (21, 12475776), (24, 10916304), (28, 9356832), (32, 8187228), (36, 7277536), (42, 6237888), (48, 5458152), (53, 4943232), (56, 4678416), (63, 4158592), (64, 4093614), (72, 3638768), (84, 3118944), (96, 2729076), (106, 2471616), (112, 2339208), (126, 2079296), (128, 2046807), (144, 1819384), (159, 1647744), (168, 1559472), (192, 1364538), (212, 1235808), (224, 1169604), (252, 1039648), (288, 909692), (318, 823872), (336, 779736), (371, 706176), (384, 682269), (424, 617904), (448, 584802), (477, 549248), (504, 519824), (576, 454846), (613, 427392), (636, 411936), (672, 389868), (742, 353088), (848, 308952), (896, 292401), (954, 274624), (1008, 259912), (1113, 235392), (1152, 227423), (1226, 213696), (1272, 205968), (1344, 194934), (1484, 176544), (1696, 154476), (1839, 142464), (1908, 137312), (2016, 129956), (2226, 117696), (2452, 106848), (2544, 102984), (2688, 97467), (2968, 88272), (3339, 78464), (3392, 77238), (3678, 71232), (3816, 68656), (4032, 64978), (4291, 61056), (4452, 58848), (4904, 53424), (5088, 51492), (5517, 47488), (5936, 44136), (6678, 39232), (6784, 38619), (7356, 35616), (7632, 34328), (8064, 32489), (8582, 30528), (8904, 29424), (9808, 26712), (10176, 25746), (11034, 23744), (11872, 22068), (12873, 20352), (13356, 19616), (14712, 17808), (15264, 17164)]