817971840

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{20287}}^1$

素因数の和:20319

約数の個数: 192

約数和(自身を含む): 3228226560

約数和(自身を除く): 2410254720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 10080, 13440, 20160, 20287, 40320, 40574, 60861, 81148, 101435, 121722, 142009, 162296, 182583, 202870, 243444, 284018, 304305, 324592, 365166, 405740, 426027, 486888, 568036, 608610, 649184, 710045, 730332, 811480, 852054, 912915, 973776, 1136072, 1217220, 1278081, 1298368, 1420090, 1460664, 1622960, 1704108, 1825830, 1947552, 2130135, 2272144, 2434440, 2556162, 2596736, 2840180, 2921328, 3245920, 3408216, 3651660, 3895104, 4260270, 4544288, 4868880, 5112324, 5680360, 5842656, 6390405, 6491840, 6816432, 7303320, 7790208, 8520540, 9088576, 9737760, 10224648, 11360720, 11685312, 12780810, 12983680, 13632864, 14606640, 17041080, 18177152, 19475520, 20449296, 22721440, 23370624, 25561620, 27265728, 29213280, 34082160, 38951040, 40898592, 45442880, 51123240, 54531456, 58426560, 68164320, 81797184, 90885760, 102246480, 116853120, 136328640, 163594368, 204492960, 272657280, 408985920, 817971840]

約数ペア:

[(1, 817971840), (2, 408985920), (3, 272657280), (4, 204492960), (5, 163594368), (6, 136328640), (7, 116853120), (8, 102246480), (9, 90885760), (10, 81797184), (12, 68164320), (14, 58426560), (15, 54531456), (16, 51123240), (18, 45442880), (20, 40898592), (21, 38951040), (24, 34082160), (28, 29213280), (30, 27265728), (32, 25561620), (35, 23370624), (36, 22721440), (40, 20449296), (42, 19475520), (45, 18177152), (48, 17041080), (56, 14606640), (60, 13632864), (63, 12983680), (64, 12780810), (70, 11685312), (72, 11360720), (80, 10224648), (84, 9737760), (90, 9088576), (96, 8520540), (105, 7790208), (112, 7303320), (120, 6816432), (126, 6491840), (128, 6390405), (140, 5842656), (144, 5680360), (160, 5112324), (168, 4868880), (180, 4544288), (192, 4260270), (210, 3895104), (224, 3651660), (240, 3408216), (252, 3245920), (280, 2921328), (288, 2840180), (315, 2596736), (320, 2556162), (336, 2434440), (360, 2272144), (384, 2130135), (420, 1947552), (448, 1825830), (480, 1704108), (504, 1622960), (560, 1460664), (576, 1420090), (630, 1298368), (640, 1278081), (672, 1217220), (720, 1136072), (840, 973776), (896, 912915), (960, 852054), (1008, 811480), (1120, 730332), (1152, 710045), (1260, 649184), (1344, 608610), (1440, 568036), (1680, 486888), (1920, 426027), (2016, 405740), (2240, 365166), (2520, 324592), (2688, 304305), (2880, 284018), (3360, 243444), (4032, 202870), (4480, 182583), (5040, 162296), (5760, 142009), (6720, 121722), (8064, 101435), (10080, 81148), (13440, 60861), (20160, 40574), (20287, 40320)]