128421216

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5791}}^1$

素因数の和:5825

約数の個数: 144

約数和(自身を含む): 455390208

約数和(自身を除く): 326968992

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 32, 33, 36, 42, 44, 48, 56, 63, 66, 72, 77, 84, 88, 96, 99, 112, 126, 132, 144, 154, 168, 176, 198, 224, 231, 252, 264, 288, 308, 336, 352, 396, 462, 504, 528, 616, 672, 693, 792, 924, 1008, 1056, 1232, 1386, 1584, 1848, 2016, 2464, 2772, 3168, 3696, 5544, 5791, 7392, 11088, 11582, 17373, 22176, 23164, 34746, 40537, 46328, 52119, 63701, 69492, 81074, 92656, 104238, 121611, 127402, 138984, 162148, 185312, 191103, 208476, 243222, 254804, 277968, 324296, 364833, 382206, 416952, 445907, 486444, 509608, 555936, 573309, 648592, 729666, 764412, 833904, 891814, 972888, 1019216, 1146618, 1297184, 1337721, 1459332, 1528824, 1667808, 1783628, 1945776, 2038432, 2293236, 2675442, 2918664, 3057648, 3567256, 3891552, 4013163, 4586472, 5350884, 5837328, 6115296, 7134512, 8026326, 9172944, 10701768, 11674656, 14269024, 16052652, 18345888, 21403536, 32105304, 42807072, 64210608, 128421216]

約数ペア:

[(1, 128421216), (2, 64210608), (3, 42807072), (4, 32105304), (6, 21403536), (7, 18345888), (8, 16052652), (9, 14269024), (11, 11674656), (12, 10701768), (14, 9172944), (16, 8026326), (18, 7134512), (21, 6115296), (22, 5837328), (24, 5350884), (28, 4586472), (32, 4013163), (33, 3891552), (36, 3567256), (42, 3057648), (44, 2918664), (48, 2675442), (56, 2293236), (63, 2038432), (66, 1945776), (72, 1783628), (77, 1667808), (84, 1528824), (88, 1459332), (96, 1337721), (99, 1297184), (112, 1146618), (126, 1019216), (132, 972888), (144, 891814), (154, 833904), (168, 764412), (176, 729666), (198, 648592), (224, 573309), (231, 555936), (252, 509608), (264, 486444), (288, 445907), (308, 416952), (336, 382206), (352, 364833), (396, 324296), (462, 277968), (504, 254804), (528, 243222), (616, 208476), (672, 191103), (693, 185312), (792, 162148), (924, 138984), (1008, 127402), (1056, 121611), (1232, 104238), (1386, 92656), (1584, 81074), (1848, 69492), (2016, 63701), (2464, 52119), (2772, 46328), (3168, 40537), (3696, 34746), (5544, 23164), (5791, 22176), (7392, 17373), (11088, 11582)]