257302656

素因数分解:

$2^7\times 3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:145

約数の個数: 320

約数和(自身を含む): 870851520

約数和(自身を除く): 613548864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 27, 32, 36, 39, 46, 48, 52, 54, 64, 69, 72, 78, 81, 83, 92, 96, 104, 108, 117, 128, 138, 144, 156, 162, 166, 184, 192, 207, 208, 216, 234, 249, 276, 288, 299, 312, 324, 332, 351, 368, 384, 414, 416, 432, 468, 498, 552, 576, 598, 621, 624, 648, 664, 702, 736, 747, 828, 832, 864, 897, 936, 996, 1053, 1079, 1104, 1152, 1196, 1242, 1248, 1296, 1328, 1404, 1472, 1494, 1656, 1664, 1728, 1794, 1863, 1872, 1909, 1992, 2106, 2158, 2208, 2241, 2392, 2484, 2496, 2592, 2656, 2691, 2808, 2944, 2988, 3237, 3312, 3456, 3588, 3726, 3744, 3818, 3984, 4212, 4316, 4416, 4482, 4784, 4968, 4992, 5184, 5312, 5382, 5616, 5727, 5976, 6474, 6624, 6723, 7176, 7452, 7488, 7636, 7968, 8073, 8424, 8632, 8832, 8964, 9568, 9711, 9936, 10368, 10624, 10764, 11232, 11454, 11952, 12948, 13248, 13446, 14352, 14904, 14976, 15272, 15936, 16146, 16848, 17181, 17264, 17928, 19136, 19422, 19872, 21528, 22464, 22908, 23904, 24219, 24817, 25896, 26496, 26892, 28704, 29133, 29808, 30544, 31872, 32292, 33696, 34362, 34528, 35856, 38272, 38844, 39744, 43056, 44928, 45816, 47808, 48438, 49634, 51543, 51792, 53784, 57408, 58266, 59616, 61088, 64584, 67392, 68724, 69056, 71712, 74451, 77688, 79488, 86112, 87399, 91632, 95616, 96876, 99268, 103086, 103584, 107568, 114816, 116532, 119232, 122176, 129168, 134784, 137448, 138112, 143424, 148902, 154629, 155376, 172224, 174798, 183264, 193752, 198536, 206172, 207168, 215136, 223353, 233064, 238464, 244352, 258336, 274896, 286848, 297804, 309258, 310752, 344448, 349596, 366528, 387504, 397072, 412344, 414336, 430272, 446706, 466128, 516672, 549792, 595608, 618516, 621504, 670059, 699192, 733056, 775008, 794144, 824688, 860544, 893412, 932256, 1033344, 1099584, 1191216, 1237032, 1243008, 1340118, 1398384, 1550016, 1588288, 1649376, 1786824, 1864512, 2010177, 2199168, 2382432, 2474064, 2680236, 2796768, 3100032, 3176576, 3298752, 3573648, 3729024, 4020354, 4764864, 4948128, 5360472, 5593536, 6597504, 7147296, 8040708, 9529728, 9896256, 10720944, 11187072, 14294592, 16081416, 19792512, 21441888, 28589184, 32162832, 42883776, 64325664, 85767552, 128651328, 257302656]

約数ペア:

[(1, 257302656), (2, 128651328), (3, 85767552), (4, 64325664), (6, 42883776), (8, 32162832), (9, 28589184), (12, 21441888), (13, 19792512), (16, 16081416), (18, 14294592), (23, 11187072), (24, 10720944), (26, 9896256), (27, 9529728), (32, 8040708), (36, 7147296), (39, 6597504), (46, 5593536), (48, 5360472), (52, 4948128), (54, 4764864), (64, 4020354), (69, 3729024), (72, 3573648), (78, 3298752), (81, 3176576), (83, 3100032), (92, 2796768), (96, 2680236), (104, 2474064), (108, 2382432), (117, 2199168), (128, 2010177), (138, 1864512), (144, 1786824), (156, 1649376), (162, 1588288), (166, 1550016), (184, 1398384), (192, 1340118), (207, 1243008), (208, 1237032), (216, 1191216), (234, 1099584), (249, 1033344), (276, 932256), (288, 893412), (299, 860544), (312, 824688), (324, 794144), (332, 775008), (351, 733056), (368, 699192), (384, 670059), (414, 621504), (416, 618516), (432, 595608), (468, 549792), (498, 516672), (552, 466128), (576, 446706), (598, 430272), (621, 414336), (624, 412344), (648, 397072), (664, 387504), (702, 366528), (736, 349596), (747, 344448), (828, 310752), (832, 309258), (864, 297804), (897, 286848), (936, 274896), (996, 258336), (1053, 244352), (1079, 238464), (1104, 233064), (1152, 223353), (1196, 215136), (1242, 207168), (1248, 206172), (1296, 198536), (1328, 193752), (1404, 183264), (1472, 174798), (1494, 172224), (1656, 155376), (1664, 154629), (1728, 148902), (1794, 143424), (1863, 138112), (1872, 137448), (1909, 134784), (1992, 129168), (2106, 122176), (2158, 119232), (2208, 116532), (2241, 114816), (2392, 107568), (2484, 103584), (2496, 103086), (2592, 99268), (2656, 96876), (2691, 95616), (2808, 91632), (2944, 87399), (2988, 86112), (3237, 79488), (3312, 77688), (3456, 74451), (3588, 71712), (3726, 69056), (3744, 68724), (3818, 67392), (3984, 64584), (4212, 61088), (4316, 59616), (4416, 58266), (4482, 57408), (4784, 53784), (4968, 51792), (4992, 51543), (5184, 49634), (5312, 48438), (5382, 47808), (5616, 45816), (5727, 44928), (5976, 43056), (6474, 39744), (6624, 38844), (6723, 38272), (7176, 35856), (7452, 34528), (7488, 34362), (7636, 33696), (7968, 32292), (8073, 31872), (8424, 30544), (8632, 29808), (8832, 29133), (8964, 28704), (9568, 26892), (9711, 26496), (9936, 25896), (10368, 24817), (10624, 24219), (10764, 23904), (11232, 22908), (11454, 22464), (11952, 21528), (12948, 19872), (13248, 19422), (13446, 19136), (14352, 17928), (14904, 17264), (14976, 17181), (15272, 16848), (15936, 16146)]