861791616

素因数分解:

$2^7\times 3^3\times 7^3\times {\mathrm{727}}^1$

素因数の和:771

約数の個数: 256

約数和(自身を含む): 2970240000

約数和(自身を除く): 2108448384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 64, 72, 84, 96, 98, 108, 112, 126, 128, 144, 147, 168, 189, 192, 196, 216, 224, 252, 288, 294, 336, 343, 378, 384, 392, 432, 441, 448, 504, 576, 588, 672, 686, 727, 756, 784, 864, 882, 896, 1008, 1029, 1152, 1176, 1323, 1344, 1372, 1454, 1512, 1568, 1728, 1764, 2016, 2058, 2181, 2352, 2646, 2688, 2744, 2908, 3024, 3087, 3136, 3456, 3528, 4032, 4116, 4362, 4704, 5089, 5292, 5488, 5816, 6048, 6174, 6272, 6543, 7056, 8064, 8232, 8724, 9261, 9408, 10178, 10584, 10976, 11632, 12096, 12348, 13086, 14112, 15267, 16464, 17448, 18522, 18816, 19629, 20356, 21168, 21952, 23264, 24192, 24696, 26172, 28224, 30534, 32928, 34896, 35623, 37044, 39258, 40712, 42336, 43904, 45801, 46528, 49392, 52344, 56448, 61068, 65856, 69792, 71246, 74088, 78516, 81424, 84672, 91602, 93056, 98784, 104688, 106869, 122136, 131712, 137403, 139584, 142492, 148176, 157032, 162848, 169344, 183204, 197568, 209376, 213738, 244272, 249361, 274806, 279168, 284984, 296352, 314064, 320607, 325696, 366408, 395136, 418752, 427476, 488544, 498722, 549612, 569968, 592704, 628128, 641214, 651392, 732816, 748083, 837504, 854952, 961821, 977088, 997444, 1099224, 1139936, 1185408, 1256256, 1282428, 1465632, 1496166, 1709904, 1923642, 1954176, 1994888, 2198448, 2244249, 2279872, 2512512, 2564856, 2931264, 2992332, 3419808, 3847284, 3989776, 4396896, 4488498, 4559744, 5129712, 5862528, 5984664, 6732747, 6839616, 7694568, 7979552, 8793792, 8976996, 10259424, 11969328, 13465494, 13679232, 15389136, 15959104, 17587584, 17953992, 20518848, 23938656, 26930988, 30778272, 31918208, 35907984, 41037696, 47877312, 53861976, 61556544, 71815968, 95754624, 107723952, 123113088, 143631936, 215447904, 287263872, 430895808, 861791616]

約数ペア:

[(1, 861791616), (2, 430895808), (3, 287263872), (4, 215447904), (6, 143631936), (7, 123113088), (8, 107723952), (9, 95754624), (12, 71815968), (14, 61556544), (16, 53861976), (18, 47877312), (21, 41037696), (24, 35907984), (27, 31918208), (28, 30778272), (32, 26930988), (36, 23938656), (42, 20518848), (48, 17953992), (49, 17587584), (54, 15959104), (56, 15389136), (63, 13679232), (64, 13465494), (72, 11969328), (84, 10259424), (96, 8976996), (98, 8793792), (108, 7979552), (112, 7694568), (126, 6839616), (128, 6732747), (144, 5984664), (147, 5862528), (168, 5129712), (189, 4559744), (192, 4488498), (196, 4396896), (216, 3989776), (224, 3847284), (252, 3419808), (288, 2992332), (294, 2931264), (336, 2564856), (343, 2512512), (378, 2279872), (384, 2244249), (392, 2198448), (432, 1994888), (441, 1954176), (448, 1923642), (504, 1709904), (576, 1496166), (588, 1465632), (672, 1282428), (686, 1256256), (727, 1185408), (756, 1139936), (784, 1099224), (864, 997444), (882, 977088), (896, 961821), (1008, 854952), (1029, 837504), (1152, 748083), (1176, 732816), (1323, 651392), (1344, 641214), (1372, 628128), (1454, 592704), (1512, 569968), (1568, 549612), (1728, 498722), (1764, 488544), (2016, 427476), (2058, 418752), (2181, 395136), (2352, 366408), (2646, 325696), (2688, 320607), (2744, 314064), (2908, 296352), (3024, 284984), (3087, 279168), (3136, 274806), (3456, 249361), (3528, 244272), (4032, 213738), (4116, 209376), (4362, 197568), (4704, 183204), (5089, 169344), (5292, 162848), (5488, 157032), (5816, 148176), (6048, 142492), (6174, 139584), (6272, 137403), (6543, 131712), (7056, 122136), (8064, 106869), (8232, 104688), (8724, 98784), (9261, 93056), (9408, 91602), (10178, 84672), (10584, 81424), (10976, 78516), (11632, 74088), (12096, 71246), (12348, 69792), (13086, 65856), (14112, 61068), (15267, 56448), (16464, 52344), (17448, 49392), (18522, 46528), (18816, 45801), (19629, 43904), (20356, 42336), (21168, 40712), (21952, 39258), (23264, 37044), (24192, 35623), (24696, 34896), (26172, 32928), (28224, 30534)]