281215872

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:881

約数の個数: 192

約数和(自身を含む): 947506560

約数和(自身を除く): 666290688

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 43, 48, 56, 63, 64, 72, 84, 86, 96, 112, 126, 128, 129, 144, 168, 172, 192, 224, 252, 258, 288, 301, 336, 344, 384, 387, 448, 504, 516, 576, 602, 672, 688, 774, 811, 896, 903, 1008, 1032, 1152, 1204, 1344, 1376, 1548, 1622, 1806, 2016, 2064, 2408, 2433, 2688, 2709, 2752, 3096, 3244, 3612, 4032, 4128, 4816, 4866, 5418, 5504, 5677, 6192, 6488, 7224, 7299, 8064, 8256, 9632, 9732, 10836, 11354, 12384, 12976, 14448, 14598, 16512, 17031, 19264, 19464, 21672, 22708, 24768, 25952, 28896, 29196, 34062, 34873, 38528, 38928, 43344, 45416, 49536, 51093, 51904, 57792, 58392, 68124, 69746, 77856, 86688, 90832, 102186, 103808, 104619, 115584, 116784, 136248, 139492, 155712, 173376, 181664, 204372, 209238, 233568, 244111, 272496, 278984, 311424, 313857, 346752, 363328, 408744, 418476, 467136, 488222, 544992, 557968, 627714, 726656, 732333, 817488, 836952, 934272, 976444, 1089984, 1115936, 1255428, 1464666, 1634976, 1673904, 1952888, 2179968, 2196999, 2231872, 2510856, 2929332, 3269952, 3347808, 3905776, 4393998, 4463744, 5021712, 5858664, 6539904, 6695616, 7811552, 8787996, 10043424, 11717328, 13391232, 15623104, 17575992, 20086848, 23434656, 31246208, 35151984, 40173696, 46869312, 70303968, 93738624, 140607936, 281215872]

約数ペア:

[(1, 281215872), (2, 140607936), (3, 93738624), (4, 70303968), (6, 46869312), (7, 40173696), (8, 35151984), (9, 31246208), (12, 23434656), (14, 20086848), (16, 17575992), (18, 15623104), (21, 13391232), (24, 11717328), (28, 10043424), (32, 8787996), (36, 7811552), (42, 6695616), (43, 6539904), (48, 5858664), (56, 5021712), (63, 4463744), (64, 4393998), (72, 3905776), (84, 3347808), (86, 3269952), (96, 2929332), (112, 2510856), (126, 2231872), (128, 2196999), (129, 2179968), (144, 1952888), (168, 1673904), (172, 1634976), (192, 1464666), (224, 1255428), (252, 1115936), (258, 1089984), (288, 976444), (301, 934272), (336, 836952), (344, 817488), (384, 732333), (387, 726656), (448, 627714), (504, 557968), (516, 544992), (576, 488222), (602, 467136), (672, 418476), (688, 408744), (774, 363328), (811, 346752), (896, 313857), (903, 311424), (1008, 278984), (1032, 272496), (1152, 244111), (1204, 233568), (1344, 209238), (1376, 204372), (1548, 181664), (1622, 173376), (1806, 155712), (2016, 139492), (2064, 136248), (2408, 116784), (2433, 115584), (2688, 104619), (2709, 103808), (2752, 102186), (3096, 90832), (3244, 86688), (3612, 77856), (4032, 69746), (4128, 68124), (4816, 58392), (4866, 57792), (5418, 51904), (5504, 51093), (5677, 49536), (6192, 45416), (6488, 43344), (7224, 38928), (7299, 38528), (8064, 34873), (8256, 34062), (9632, 29196), (9732, 28896), (10836, 25952), (11354, 24768), (12384, 22708), (12976, 21672), (14448, 19464), (14598, 19264), (16512, 17031)]