80776640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{36061}}^1$

素因数の和:36085

約数の個数: 56

約数和(自身を含む): 219833952

約数和(自身を除く): 139057312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 36061, 72122, 144244, 180305, 252427, 288488, 360610, 504854, 576976, 721220, 1009708, 1153952, 1262135, 1442440, 2019416, 2307904, 2524270, 2884880, 4038832, 5048540, 5769760, 8077664, 10097080, 11539520, 16155328, 20194160, 40388320, 80776640]

約数ペア:

[(1, 80776640), (2, 40388320), (4, 20194160), (5, 16155328), (7, 11539520), (8, 10097080), (10, 8077664), (14, 5769760), (16, 5048540), (20, 4038832), (28, 2884880), (32, 2524270), (35, 2307904), (40, 2019416), (56, 1442440), (64, 1262135), (70, 1153952), (80, 1009708), (112, 721220), (140, 576976), (160, 504854), (224, 360610), (280, 288488), (320, 252427), (448, 180305), (560, 144244), (1120, 72122), (2240, 36061)]