80492720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:283

約数の個数: 160

約数和(自身を含む): 237841920

約数和(自身を除く): 157349200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 73, 77, 80, 88, 110, 112, 140, 146, 154, 176, 179, 220, 280, 292, 308, 358, 365, 385, 440, 511, 560, 584, 616, 716, 730, 770, 803, 880, 895, 1022, 1168, 1232, 1253, 1432, 1460, 1540, 1606, 1790, 1969, 2044, 2506, 2555, 2864, 2920, 3080, 3212, 3580, 3938, 4015, 4088, 5012, 5110, 5621, 5840, 6160, 6265, 6424, 7160, 7876, 8030, 8176, 9845, 10024, 10220, 11242, 12530, 12848, 13067, 13783, 14320, 15752, 16060, 19690, 20048, 20440, 22484, 25060, 26134, 27566, 28105, 31504, 32120, 39380, 40880, 44968, 50120, 52268, 55132, 56210, 64240, 65335, 68915, 78760, 89936, 91469, 100240, 104536, 110264, 112420, 130670, 137830, 143737, 157520, 182938, 209072, 220528, 224840, 261340, 275660, 287474, 365876, 449680, 457345, 522680, 551320, 574948, 718685, 731752, 914690, 1006159, 1045360, 1102640, 1149896, 1437370, 1463504, 1829380, 2012318, 2299792, 2874740, 3658760, 4024636, 5030795, 5749480, 7317520, 8049272, 10061590, 11498960, 16098544, 20123180, 40246360, 80492720]

約数ペア:

[(1, 80492720), (2, 40246360), (4, 20123180), (5, 16098544), (7, 11498960), (8, 10061590), (10, 8049272), (11, 7317520), (14, 5749480), (16, 5030795), (20, 4024636), (22, 3658760), (28, 2874740), (35, 2299792), (40, 2012318), (44, 1829380), (55, 1463504), (56, 1437370), (70, 1149896), (73, 1102640), (77, 1045360), (80, 1006159), (88, 914690), (110, 731752), (112, 718685), (140, 574948), (146, 551320), (154, 522680), (176, 457345), (179, 449680), (220, 365876), (280, 287474), (292, 275660), (308, 261340), (358, 224840), (365, 220528), (385, 209072), (440, 182938), (511, 157520), (560, 143737), (584, 137830), (616, 130670), (716, 112420), (730, 110264), (770, 104536), (803, 100240), (880, 91469), (895, 89936), (1022, 78760), (1168, 68915), (1232, 65335), (1253, 64240), (1432, 56210), (1460, 55132), (1540, 52268), (1606, 50120), (1790, 44968), (1969, 40880), (2044, 39380), (2506, 32120), (2555, 31504), (2864, 28105), (2920, 27566), (3080, 26134), (3212, 25060), (3580, 22484), (3938, 20440), (4015, 20048), (4088, 19690), (5012, 16060), (5110, 15752), (5621, 14320), (5840, 13783), (6160, 13067), (6265, 12848), (6424, 12530), (7160, 11242), (7876, 10220), (8030, 10024), (8176, 9845)]