164020320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{113903}}^1$

素因数の和:113924

約数の個数: 72

約数和(自身を含む): 559724256

約数和(自身を除く): 395703936

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, 113903, 227806, 341709, 455612, 569515, 683418, 911224, 1025127, 1139030, 1366836, 1708545, 1822448, 2050254, 2278060, 2733672, 3417090, 3644896, 4100508, 4556120, 5125635, 5467344, 6834180, 8201016, 9112240, 10251270, 10934688, 13668360, 16402032, 18224480, 20502540, 27336720, 32804064, 41005080, 54673440, 82010160, 164020320]

約数ペア:

[(1, 164020320), (2, 82010160), (3, 54673440), (4, 41005080), (5, 32804064), (6, 27336720), (8, 20502540), (9, 18224480), (10, 16402032), (12, 13668360), (15, 10934688), (16, 10251270), (18, 9112240), (20, 8201016), (24, 6834180), (30, 5467344), (32, 5125635), (36, 4556120), (40, 4100508), (45, 3644896), (48, 3417090), (60, 2733672), (72, 2278060), (80, 2050254), (90, 1822448), (96, 1708545), (120, 1366836), (144, 1139030), (160, 1025127), (180, 911224), (240, 683418), (288, 569515), (360, 455612), (480, 341709), (720, 227806), (1440, 113903)]