291885984

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^2\times {\mathrm{1999}}^1$

素因数の和:2044

約数の個数: 144

約数和(自身を含む): 922320000

約数和(自身を除く): 630434016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 96, 104, 108, 117, 144, 156, 169, 208, 216, 234, 288, 312, 338, 351, 416, 432, 468, 507, 624, 676, 702, 864, 936, 1014, 1248, 1352, 1404, 1521, 1872, 1999, 2028, 2704, 2808, 3042, 3744, 3998, 4056, 4563, 5408, 5616, 5997, 6084, 7996, 8112, 9126, 11232, 11994, 12168, 15992, 16224, 17991, 18252, 23988, 24336, 25987, 31984, 35982, 36504, 47976, 48672, 51974, 53973, 63968, 71964, 73008, 77961, 95952, 103948, 107946, 143928, 146016, 155922, 191904, 207896, 215892, 233883, 287856, 311844, 337831, 415792, 431784, 467766, 575712, 623688, 675662, 701649, 831584, 863568, 935532, 1013493, 1247376, 1351324, 1403298, 1727136, 1871064, 2026986, 2494752, 2702648, 2806596, 3040479, 3742128, 4053972, 5405296, 5613192, 6080958, 7484256, 8107944, 9121437, 10810592, 11226384, 12161916, 16215888, 18242874, 22452768, 24323832, 32431776, 36485748, 48647664, 72971496, 97295328, 145942992, 291885984]

約数ペア:

[(1, 291885984), (2, 145942992), (3, 97295328), (4, 72971496), (6, 48647664), (8, 36485748), (9, 32431776), (12, 24323832), (13, 22452768), (16, 18242874), (18, 16215888), (24, 12161916), (26, 11226384), (27, 10810592), (32, 9121437), (36, 8107944), (39, 7484256), (48, 6080958), (52, 5613192), (54, 5405296), (72, 4053972), (78, 3742128), (96, 3040479), (104, 2806596), (108, 2702648), (117, 2494752), (144, 2026986), (156, 1871064), (169, 1727136), (208, 1403298), (216, 1351324), (234, 1247376), (288, 1013493), (312, 935532), (338, 863568), (351, 831584), (416, 701649), (432, 675662), (468, 623688), (507, 575712), (624, 467766), (676, 431784), (702, 415792), (864, 337831), (936, 311844), (1014, 287856), (1248, 233883), (1352, 215892), (1404, 207896), (1521, 191904), (1872, 155922), (1999, 146016), (2028, 143928), (2704, 107946), (2808, 103948), (3042, 95952), (3744, 77961), (3998, 73008), (4056, 71964), (4563, 63968), (5408, 53973), (5616, 51974), (5997, 48672), (6084, 47976), (7996, 36504), (8112, 35982), (9126, 31984), (11232, 25987), (11994, 24336), (12168, 23988), (15992, 18252), (16224, 17991)]