201920320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{827}}^1$

素因数の和:960

約数の個数: 112

約数和(自身を含む): 555223680

約数和(自身を除く): 353303360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 109, 112, 140, 160, 218, 224, 280, 320, 436, 448, 545, 560, 763, 827, 872, 1090, 1120, 1526, 1654, 1744, 2180, 2240, 3052, 3308, 3488, 3815, 4135, 4360, 5789, 6104, 6616, 6976, 7630, 8270, 8720, 11578, 12208, 13232, 15260, 16540, 17440, 23156, 24416, 26464, 28945, 30520, 33080, 34880, 46312, 48832, 52928, 57890, 61040, 66160, 90143, 92624, 115780, 122080, 132320, 180286, 185248, 231560, 244160, 264640, 360572, 370496, 450715, 463120, 631001, 721144, 901430, 926240, 1262002, 1442288, 1802860, 1852480, 2524004, 2884576, 3155005, 3605720, 5048008, 5769152, 6310010, 7211440, 10096016, 12620020, 14422880, 20192032, 25240040, 28845760, 40384064, 50480080, 100960160, 201920320]

約数ペア:

[(1, 201920320), (2, 100960160), (4, 50480080), (5, 40384064), (7, 28845760), (8, 25240040), (10, 20192032), (14, 14422880), (16, 12620020), (20, 10096016), (28, 7211440), (32, 6310010), (35, 5769152), (40, 5048008), (56, 3605720), (64, 3155005), (70, 2884576), (80, 2524004), (109, 1852480), (112, 1802860), (140, 1442288), (160, 1262002), (218, 926240), (224, 901430), (280, 721144), (320, 631001), (436, 463120), (448, 450715), (545, 370496), (560, 360572), (763, 264640), (827, 244160), (872, 231560), (1090, 185248), (1120, 180286), (1526, 132320), (1654, 122080), (1744, 115780), (2180, 92624), (2240, 90143), (3052, 66160), (3308, 61040), (3488, 57890), (3815, 52928), (4135, 48832), (4360, 46312), (5789, 34880), (6104, 33080), (6616, 30520), (6976, 28945), (7630, 26464), (8270, 24416), (8720, 23156), (11578, 17440), (12208, 16540), (13232, 15260)]