74999520

素因数分解:

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

素因数の和:676

約数の個数: 168

約数和(自身を含む): 266071176

約数和(自身を除く): 191071656

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, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 643, 648, 720, 729, 810, 864, 972, 1080, 1215, 1286, 1296, 1440, 1458, 1620, 1929, 1944, 2160, 2430, 2572, 2592, 2916, 3215, 3240, 3645, 3858, 3888, 4320, 4860, 5144, 5787, 5832, 6430, 6480, 7290, 7716, 7776, 9645, 9720, 10288, 11574, 11664, 12860, 12960, 14580, 15432, 17361, 19290, 19440, 20576, 23148, 23328, 25720, 28935, 29160, 30864, 34722, 38580, 38880, 46296, 51440, 52083, 57870, 58320, 61728, 69444, 77160, 86805, 92592, 102880, 104166, 115740, 116640, 138888, 154320, 156249, 173610, 185184, 208332, 231480, 260415, 277776, 308640, 312498, 347220, 416664, 462960, 468747, 520830, 555552, 624996, 694440, 781245, 833328, 925920, 937494, 1041660, 1249992, 1388880, 1562490, 1666656, 1874988, 2083320, 2343735, 2499984, 2777760, 3124980, 3749976, 4166640, 4687470, 4999968, 6249960, 7499952, 8333280, 9374940, 12499920, 14999904, 18749880, 24999840, 37499760, 74999520]

約数ペア:

[(1, 74999520), (2, 37499760), (3, 24999840), (4, 18749880), (5, 14999904), (6, 12499920), (8, 9374940), (9, 8333280), (10, 7499952), (12, 6249960), (15, 4999968), (16, 4687470), (18, 4166640), (20, 3749976), (24, 3124980), (27, 2777760), (30, 2499984), (32, 2343735), (36, 2083320), (40, 1874988), (45, 1666656), (48, 1562490), (54, 1388880), (60, 1249992), (72, 1041660), (80, 937494), (81, 925920), (90, 833328), (96, 781245), (108, 694440), (120, 624996), (135, 555552), (144, 520830), (160, 468747), (162, 462960), (180, 416664), (216, 347220), (240, 312498), (243, 308640), (270, 277776), (288, 260415), (324, 231480), (360, 208332), (405, 185184), (432, 173610), (480, 156249), (486, 154320), (540, 138888), (643, 116640), (648, 115740), (720, 104166), (729, 102880), (810, 92592), (864, 86805), (972, 77160), (1080, 69444), (1215, 61728), (1286, 58320), (1296, 57870), (1440, 52083), (1458, 51440), (1620, 46296), (1929, 38880), (1944, 38580), (2160, 34722), (2430, 30864), (2572, 29160), (2592, 28935), (2916, 25720), (3215, 23328), (3240, 23148), (3645, 20576), (3858, 19440), (3888, 19290), (4320, 17361), (4860, 15432), (5144, 14580), (5787, 12960), (5832, 12860), (6430, 11664), (6480, 11574), (7290, 10288), (7716, 9720), (7776, 9645)]