449997120

素因数分解:

$2^6\times 3^7\times 5^1\times {\mathrm{643}}^1$

素因数の和:681

約数の個数: 224

約数和(自身を含む): 1609587840

約数和(自身を除く): 1159590720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 243, 270, 288, 320, 324, 360, 405, 432, 480, 486, 540, 576, 643, 648, 720, 729, 810, 864, 960, 972, 1080, 1215, 1286, 1296, 1440, 1458, 1620, 1728, 1929, 1944, 2160, 2187, 2430, 2572, 2592, 2880, 2916, 3215, 3240, 3645, 3858, 3888, 4320, 4374, 4860, 5144, 5184, 5787, 5832, 6430, 6480, 7290, 7716, 7776, 8640, 8748, 9645, 9720, 10288, 10935, 11574, 11664, 12860, 12960, 14580, 15432, 15552, 17361, 17496, 19290, 19440, 20576, 21870, 23148, 23328, 25720, 25920, 28935, 29160, 30864, 34722, 34992, 38580, 38880, 41152, 43740, 46296, 46656, 51440, 52083, 57870, 58320, 61728, 69444, 69984, 77160, 77760, 86805, 87480, 92592, 102880, 104166, 115740, 116640, 123456, 138888, 139968, 154320, 156249, 173610, 174960, 185184, 205760, 208332, 231480, 233280, 260415, 277776, 308640, 312498, 347220, 349920, 370368, 416664, 462960, 468747, 520830, 555552, 617280, 624996, 694440, 699840, 781245, 833328, 925920, 937494, 1041660, 1111104, 1249992, 1388880, 1406241, 1562490, 1666656, 1851840, 1874988, 2083320, 2343735, 2499984, 2777760, 2812482, 3124980, 3333312, 3749976, 4166640, 4687470, 4999968, 5555520, 5624964, 6249960, 7031205, 7499952, 8333280, 9374940, 9999936, 11249928, 12499920, 14062410, 14999904, 16666560, 18749880, 22499856, 24999840, 28124820, 29999808, 37499760, 44999712, 49999680, 56249640, 74999520, 89999424, 112499280, 149999040, 224998560, 449997120]

約数ペア:

[(1, 449997120), (2, 224998560), (3, 149999040), (4, 112499280), (5, 89999424), (6, 74999520), (8, 56249640), (9, 49999680), (10, 44999712), (12, 37499760), (15, 29999808), (16, 28124820), (18, 24999840), (20, 22499856), (24, 18749880), (27, 16666560), (30, 14999904), (32, 14062410), (36, 12499920), (40, 11249928), (45, 9999936), (48, 9374940), (54, 8333280), (60, 7499952), (64, 7031205), (72, 6249960), (80, 5624964), (81, 5555520), (90, 4999968), (96, 4687470), (108, 4166640), (120, 3749976), (135, 3333312), (144, 3124980), (160, 2812482), (162, 2777760), (180, 2499984), (192, 2343735), (216, 2083320), (240, 1874988), (243, 1851840), (270, 1666656), (288, 1562490), (320, 1406241), (324, 1388880), (360, 1249992), (405, 1111104), (432, 1041660), (480, 937494), (486, 925920), (540, 833328), (576, 781245), (643, 699840), (648, 694440), (720, 624996), (729, 617280), (810, 555552), (864, 520830), (960, 468747), (972, 462960), (1080, 416664), (1215, 370368), (1286, 349920), (1296, 347220), (1440, 312498), (1458, 308640), (1620, 277776), (1728, 260415), (1929, 233280), (1944, 231480), (2160, 208332), (2187, 205760), (2430, 185184), (2572, 174960), (2592, 173610), (2880, 156249), (2916, 154320), (3215, 139968), (3240, 138888), (3645, 123456), (3858, 116640), (3888, 115740), (4320, 104166), (4374, 102880), (4860, 92592), (5144, 87480), (5184, 86805), (5787, 77760), (5832, 77160), (6430, 69984), (6480, 69444), (7290, 61728), (7716, 58320), (7776, 57870), (8640, 52083), (8748, 51440), (9645, 46656), (9720, 46296), (10288, 43740), (10935, 41152), (11574, 38880), (11664, 38580), (12860, 34992), (12960, 34722), (14580, 30864), (15432, 29160), (15552, 28935), (17361, 25920), (17496, 25720), (19290, 23328), (19440, 23148), (20576, 21870)]