205613280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{142787}}^1$

素因数の和:142808

約数の個数: 72

約数和(自身を含む): 701660232

約数和(自身を除く): 496046952

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, 142787, 285574, 428361, 571148, 713935, 856722, 1142296, 1285083, 1427870, 1713444, 2141805, 2284592, 2570166, 2855740, 3426888, 4283610, 4569184, 5140332, 5711480, 6425415, 6853776, 8567220, 10280664, 11422960, 12850830, 13707552, 17134440, 20561328, 22845920, 25701660, 34268880, 41122656, 51403320, 68537760, 102806640, 205613280]

約数ペア:

[(1, 205613280), (2, 102806640), (3, 68537760), (4, 51403320), (5, 41122656), (6, 34268880), (8, 25701660), (9, 22845920), (10, 20561328), (12, 17134440), (15, 13707552), (16, 12850830), (18, 11422960), (20, 10280664), (24, 8567220), (30, 6853776), (32, 6425415), (36, 5711480), (40, 5140332), (45, 4569184), (48, 4283610), (60, 3426888), (72, 2855740), (80, 2570166), (90, 2284592), (96, 2141805), (120, 1713444), (144, 1427870), (160, 1285083), (180, 1142296), (240, 856722), (288, 713935), (360, 571148), (480, 428361), (720, 285574), (1440, 142787)]