261801696

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:225

約数の個数: 192

約数和(自身を含む): 783046656

約数和(自身を除く): 521244960

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 67, 78, 93, 96, 101, 104, 124, 134, 156, 186, 201, 202, 208, 248, 268, 303, 312, 372, 402, 403, 404, 416, 496, 536, 606, 624, 744, 804, 806, 808, 871, 992, 1072, 1209, 1212, 1248, 1313, 1488, 1608, 1612, 1616, 1742, 2077, 2144, 2418, 2424, 2613, 2626, 2976, 3131, 3216, 3224, 3232, 3484, 3939, 4154, 4836, 4848, 5226, 5252, 6231, 6262, 6432, 6448, 6767, 6968, 7878, 8308, 9393, 9672, 9696, 10452, 10504, 12462, 12524, 12896, 13534, 13936, 15756, 16616, 18786, 19344, 20301, 20904, 21008, 24924, 25048, 27001, 27068, 27872, 31512, 33232, 37572, 38688, 40602, 40703, 41808, 42016, 49848, 50096, 54002, 54136, 63024, 66464, 75144, 81003, 81204, 81406, 83616, 87971, 99696, 100192, 108004, 108272, 122109, 126048, 150288, 162006, 162408, 162812, 175942, 199392, 209777, 216008, 216544, 244218, 263913, 300576, 324012, 324816, 325624, 351884, 419554, 432016, 488436, 527826, 629331, 648024, 649632, 651248, 703768, 839108, 864032, 976872, 1055652, 1258662, 1296048, 1302496, 1407536, 1678216, 1953744, 2111304, 2517324, 2592096, 2727101, 2815072, 3356432, 3907488, 4222608, 5034648, 5454202, 6712864, 8181303, 8445216, 10069296, 10908404, 16362606, 20138592, 21816808, 32725212, 43633616, 65450424, 87267232, 130900848, 261801696]

約数ペア:

[(1, 261801696), (2, 130900848), (3, 87267232), (4, 65450424), (6, 43633616), (8, 32725212), (12, 21816808), (13, 20138592), (16, 16362606), (24, 10908404), (26, 10069296), (31, 8445216), (32, 8181303), (39, 6712864), (48, 5454202), (52, 5034648), (62, 4222608), (67, 3907488), (78, 3356432), (93, 2815072), (96, 2727101), (101, 2592096), (104, 2517324), (124, 2111304), (134, 1953744), (156, 1678216), (186, 1407536), (201, 1302496), (202, 1296048), (208, 1258662), (248, 1055652), (268, 976872), (303, 864032), (312, 839108), (372, 703768), (402, 651248), (403, 649632), (404, 648024), (416, 629331), (496, 527826), (536, 488436), (606, 432016), (624, 419554), (744, 351884), (804, 325624), (806, 324816), (808, 324012), (871, 300576), (992, 263913), (1072, 244218), (1209, 216544), (1212, 216008), (1248, 209777), (1313, 199392), (1488, 175942), (1608, 162812), (1612, 162408), (1616, 162006), (1742, 150288), (2077, 126048), (2144, 122109), (2418, 108272), (2424, 108004), (2613, 100192), (2626, 99696), (2976, 87971), (3131, 83616), (3216, 81406), (3224, 81204), (3232, 81003), (3484, 75144), (3939, 66464), (4154, 63024), (4836, 54136), (4848, 54002), (5226, 50096), (5252, 49848), (6231, 42016), (6262, 41808), (6432, 40703), (6448, 40602), (6767, 38688), (6968, 37572), (7878, 33232), (8308, 31512), (9393, 27872), (9672, 27068), (9696, 27001), (10452, 25048), (10504, 24924), (12462, 21008), (12524, 20904), (12896, 20301), (13534, 19344), (13936, 18786), (15756, 16616)]