16666560

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{643}}^1$

素因数の和:672

約数の個数: 140

約数和(自身を含む): 59378088

約数和(自身を除く): 42711528

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, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 643, 648, 720, 810, 864, 960, 1080, 1286, 1296, 1440, 1620, 1728, 1929, 2160, 2572, 2592, 2880, 3215, 3240, 3858, 4320, 5144, 5184, 5787, 6430, 6480, 7716, 8640, 9645, 10288, 11574, 12860, 12960, 15432, 17361, 19290, 20576, 23148, 25720, 25920, 28935, 30864, 34722, 38580, 41152, 46296, 51440, 52083, 57870, 61728, 69444, 77160, 86805, 92592, 102880, 104166, 115740, 123456, 138888, 154320, 173610, 185184, 205760, 208332, 231480, 260415, 277776, 308640, 347220, 370368, 416664, 462960, 520830, 555552, 617280, 694440, 833328, 925920, 1041660, 1111104, 1388880, 1666656, 1851840, 2083320, 2777760, 3333312, 4166640, 5555520, 8333280, 16666560]

約数ペア:

[(1, 16666560), (2, 8333280), (3, 5555520), (4, 4166640), (5, 3333312), (6, 2777760), (8, 2083320), (9, 1851840), (10, 1666656), (12, 1388880), (15, 1111104), (16, 1041660), (18, 925920), (20, 833328), (24, 694440), (27, 617280), (30, 555552), (32, 520830), (36, 462960), (40, 416664), (45, 370368), (48, 347220), (54, 308640), (60, 277776), (64, 260415), (72, 231480), (80, 208332), (81, 205760), (90, 185184), (96, 173610), (108, 154320), (120, 138888), (135, 123456), (144, 115740), (160, 104166), (162, 102880), (180, 92592), (192, 86805), (216, 77160), (240, 69444), (270, 61728), (288, 57870), (320, 52083), (324, 51440), (360, 46296), (405, 41152), (432, 38580), (480, 34722), (540, 30864), (576, 28935), (643, 25920), (648, 25720), (720, 23148), (810, 20576), (864, 19290), (960, 17361), (1080, 15432), (1286, 12960), (1296, 12860), (1440, 11574), (1620, 10288), (1728, 9645), (1929, 8640), (2160, 7716), (2572, 6480), (2592, 6430), (2880, 5787), (3215, 5184), (3240, 5144), (3858, 4320)]