640579968

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{26479}}^1$

素因数の和:26509

約数の個数: 128

約数和(自身を含む): 2160768000

約数和(自身を除く): 1520188032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 128, 144, 168, 189, 192, 216, 224, 252, 288, 336, 378, 384, 432, 448, 504, 576, 672, 756, 864, 896, 1008, 1152, 1344, 1512, 1728, 2016, 2688, 3024, 3456, 4032, 6048, 8064, 12096, 24192, 26479, 52958, 79437, 105916, 158874, 185353, 211832, 238311, 317748, 370706, 423664, 476622, 556059, 635496, 714933, 741412, 847328, 953244, 1112118, 1270992, 1429866, 1482824, 1668177, 1694656, 1906488, 2224236, 2541984, 2859732, 2965648, 3336354, 3389312, 3812976, 4448472, 5004531, 5083968, 5719464, 5931296, 6672708, 7625952, 8896944, 10009062, 10167936, 11438928, 11862592, 13345416, 15251904, 17793888, 20018124, 22877856, 23725184, 26690832, 30503808, 35587776, 40036248, 45755712, 53381664, 71175552, 80072496, 91511424, 106763328, 160144992, 213526656, 320289984, 640579968]

約数ペア:

[(1, 640579968), (2, 320289984), (3, 213526656), (4, 160144992), (6, 106763328), (7, 91511424), (8, 80072496), (9, 71175552), (12, 53381664), (14, 45755712), (16, 40036248), (18, 35587776), (21, 30503808), (24, 26690832), (27, 23725184), (28, 22877856), (32, 20018124), (36, 17793888), (42, 15251904), (48, 13345416), (54, 11862592), (56, 11438928), (63, 10167936), (64, 10009062), (72, 8896944), (84, 7625952), (96, 6672708), (108, 5931296), (112, 5719464), (126, 5083968), (128, 5004531), (144, 4448472), (168, 3812976), (189, 3389312), (192, 3336354), (216, 2965648), (224, 2859732), (252, 2541984), (288, 2224236), (336, 1906488), (378, 1694656), (384, 1668177), (432, 1482824), (448, 1429866), (504, 1270992), (576, 1112118), (672, 953244), (756, 847328), (864, 741412), (896, 714933), (1008, 635496), (1152, 556059), (1344, 476622), (1512, 423664), (1728, 370706), (2016, 317748), (2688, 238311), (3024, 211832), (3456, 185353), (4032, 158874), (6048, 105916), (8064, 79437), (12096, 52958), (24192, 26479)]