120820320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{83903}}^1$

素因数の和:83924

約数の個数: 72

約数和(自身を含む): 412304256

約数和(自身を除く): 291483936

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, 83903, 167806, 251709, 335612, 419515, 503418, 671224, 755127, 839030, 1006836, 1258545, 1342448, 1510254, 1678060, 2013672, 2517090, 2684896, 3020508, 3356120, 3775635, 4027344, 5034180, 6041016, 6712240, 7551270, 8054688, 10068360, 12082032, 13424480, 15102540, 20136720, 24164064, 30205080, 40273440, 60410160, 120820320]

約数ペア:

[(1, 120820320), (2, 60410160), (3, 40273440), (4, 30205080), (5, 24164064), (6, 20136720), (8, 15102540), (9, 13424480), (10, 12082032), (12, 10068360), (15, 8054688), (16, 7551270), (18, 6712240), (20, 6041016), (24, 5034180), (30, 4027344), (32, 3775635), (36, 3356120), (40, 3020508), (45, 2684896), (48, 2517090), (60, 2013672), (72, 1678060), (80, 1510254), (90, 1342448), (96, 1258545), (120, 1006836), (144, 839030), (160, 755127), (180, 671224), (240, 503418), (288, 419515), (360, 335612), (480, 251709), (720, 167806), (1440, 83903)]