290573280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{201787}}^1$

素因数の和:201808

約数の個数: 72

約数和(自身を含む): 991586232

約数和(自身を除く): 701012952

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 201787, 403574, 605361, 807148, 1008935, 1210722, 1614296, 1816083, 2017870, 2421444, 3026805, 3228592, 3632166, 4035740, 4842888, 6053610, 6457184, 7264332, 8071480, 9080415, 9685776, 12107220, 14528664, 16142960, 18160830, 19371552, 24214440, 29057328, 32285920, 36321660, 48428880, 58114656, 72643320, 96857760, 145286640, 290573280]

約数ペア:

[(1, 290573280), (2, 145286640), (3, 96857760), (4, 72643320), (5, 58114656), (6, 48428880), (8, 36321660), (9, 32285920), (10, 29057328), (12, 24214440), (15, 19371552), (16, 18160830), (18, 16142960), (20, 14528664), (24, 12107220), (30, 9685776), (32, 9080415), (36, 8071480), (40, 7264332), (45, 6457184), (48, 6053610), (60, 4842888), (72, 4035740), (80, 3632166), (90, 3228592), (96, 3026805), (120, 2421444), (144, 2017870), (160, 1816083), (180, 1614296), (240, 1210722), (288, 1008935), (360, 807148), (480, 605361), (720, 403574), (1440, 201787)]