205780320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{142903}}^1$

素因数の和:142924

約数の個数: 72

約数和(自身を含む): 702230256

約数和(自身を除く): 496449936

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, 142903, 285806, 428709, 571612, 714515, 857418, 1143224, 1286127, 1429030, 1714836, 2143545, 2286448, 2572254, 2858060, 3429672, 4287090, 4572896, 5144508, 5716120, 6430635, 6859344, 8574180, 10289016, 11432240, 12861270, 13718688, 17148360, 20578032, 22864480, 25722540, 34296720, 41156064, 51445080, 68593440, 102890160, 205780320]

約数ペア:

[(1, 205780320), (2, 102890160), (3, 68593440), (4, 51445080), (5, 41156064), (6, 34296720), (8, 25722540), (9, 22864480), (10, 20578032), (12, 17148360), (15, 13718688), (16, 12861270), (18, 11432240), (20, 10289016), (24, 8574180), (30, 6859344), (32, 6430635), (36, 5716120), (40, 5144508), (45, 4572896), (48, 4287090), (60, 3429672), (72, 2858060), (80, 2572254), (90, 2286448), (96, 2143545), (120, 1714836), (144, 1429030), (160, 1286127), (180, 1143224), (240, 857418), (288, 714515), (360, 571612), (480, 428709), (720, 285806), (1440, 142903)]