19872160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1613}}^1$

素因数の和:1646

約数の個数: 96

約数和(自身を含む): 58568832

約数和(自身を除く): 38696672

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1613, 1760, 2464, 3080, 3226, 6160, 6452, 8065, 11291, 12320, 12904, 16130, 17743, 22582, 25808, 32260, 35486, 45164, 51616, 56455, 64520, 70972, 88715, 90328, 112910, 124201, 129040, 141944, 177430, 180656, 225820, 248402, 258080, 283888, 354860, 361312, 451640, 496804, 567776, 621005, 709720, 903280, 993608, 1242010, 1419440, 1806560, 1987216, 2484020, 2838880, 3974432, 4968040, 9936080, 19872160]

約数ペア:

[(1, 19872160), (2, 9936080), (4, 4968040), (5, 3974432), (7, 2838880), (8, 2484020), (10, 1987216), (11, 1806560), (14, 1419440), (16, 1242010), (20, 993608), (22, 903280), (28, 709720), (32, 621005), (35, 567776), (40, 496804), (44, 451640), (55, 361312), (56, 354860), (70, 283888), (77, 258080), (80, 248402), (88, 225820), (110, 180656), (112, 177430), (140, 141944), (154, 129040), (160, 124201), (176, 112910), (220, 90328), (224, 88715), (280, 70972), (308, 64520), (352, 56455), (385, 51616), (440, 45164), (560, 35486), (616, 32260), (770, 25808), (880, 22582), (1120, 17743), (1232, 16130), (1540, 12904), (1613, 12320), (1760, 11291), (2464, 8065), (3080, 6452), (3226, 6160)]