219528720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{304901}}^1$

素因数の和:304920

約数の個数: 60

約数和(自身を含む): 737253036

約数和(自身を除く): 517724316

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 304901, 609802, 914703, 1219604, 1524505, 1829406, 2439208, 2744109, 3049010, 3658812, 4573515, 4878416, 5488218, 6098020, 7317624, 9147030, 10976436, 12196040, 13720545, 14635248, 18294060, 21952872, 24392080, 27441090, 36588120, 43905744, 54882180, 73176240, 109764360, 219528720]

約数ペア:

[(1, 219528720), (2, 109764360), (3, 73176240), (4, 54882180), (5, 43905744), (6, 36588120), (8, 27441090), (9, 24392080), (10, 21952872), (12, 18294060), (15, 14635248), (16, 13720545), (18, 12196040), (20, 10976436), (24, 9147030), (30, 7317624), (36, 6098020), (40, 5488218), (45, 4878416), (48, 4573515), (60, 3658812), (72, 3049010), (80, 2744109), (90, 2439208), (120, 1829406), (144, 1524505), (180, 1219604), (240, 914703), (360, 609802), (720, 304901)]