204492960

素因数分解:

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

素因数の和:20315

約数の個数: 144

約数和(自身を含む): 797561856

約数和(自身を除く): 593068896

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, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20287, 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, 1420090, 1460664, 1622960, 1704108, 1825830, 1947552, 2130135, 2272144, 2434440, 2556162, 2840180, 2921328, 3245920, 3408216, 3651660, 4260270, 4544288, 4868880, 5112324, 5680360, 5842656, 6390405, 6816432, 7303320, 8520540, 9737760, 10224648, 11360720, 12780810, 13632864, 14606640, 17041080, 20449296, 22721440, 25561620, 29213280, 34082160, 40898592, 51123240, 68164320, 102246480, 204492960]

約数ペア:

[(1, 204492960), (2, 102246480), (3, 68164320), (4, 51123240), (5, 40898592), (6, 34082160), (7, 29213280), (8, 25561620), (9, 22721440), (10, 20449296), (12, 17041080), (14, 14606640), (15, 13632864), (16, 12780810), (18, 11360720), (20, 10224648), (21, 9737760), (24, 8520540), (28, 7303320), (30, 6816432), (32, 6390405), (35, 5842656), (36, 5680360), (40, 5112324), (42, 4868880), (45, 4544288), (48, 4260270), (56, 3651660), (60, 3408216), (63, 3245920), (70, 2921328), (72, 2840180), (80, 2556162), (84, 2434440), (90, 2272144), (96, 2130135), (105, 1947552), (112, 1825830), (120, 1704108), (126, 1622960), (140, 1460664), (144, 1420090), (160, 1278081), (168, 1217220), (180, 1136072), (210, 973776), (224, 912915), (240, 852054), (252, 811480), (280, 730332), (288, 710045), (315, 649184), (336, 608610), (360, 568036), (420, 486888), (480, 426027), (504, 405740), (560, 365166), (630, 324592), (672, 304305), (720, 284018), (840, 243444), (1008, 202870), (1120, 182583), (1260, 162296), (1440, 142009), (1680, 121722), (2016, 101435), (2520, 81148), (3360, 60861), (5040, 40574), (10080, 20287)]