80978004

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{431}}^1$

素因数の和:765

約数の個数: 72

約数和(自身を含む): 217945728

約数和(自身を除く): 136967724

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 307, 431, 612, 614, 862, 921, 1228, 1293, 1724, 1842, 2586, 2763, 3684, 3879, 5172, 5219, 5526, 7327, 7758, 10438, 11052, 14654, 15516, 15657, 20876, 21981, 29308, 31314, 43962, 46971, 62628, 65943, 87924, 93942, 131886, 132317, 187884, 263772, 264634, 396951, 529268, 793902, 1190853, 1587804, 2249389, 2381706, 4498778, 4763412, 6748167, 8997556, 13496334, 20244501, 26992668, 40489002, 80978004]

約数ペア:

[(1, 80978004), (2, 40489002), (3, 26992668), (4, 20244501), (6, 13496334), (9, 8997556), (12, 6748167), (17, 4763412), (18, 4498778), (34, 2381706), (36, 2249389), (51, 1587804), (68, 1190853), (102, 793902), (153, 529268), (204, 396951), (306, 264634), (307, 263772), (431, 187884), (612, 132317), (614, 131886), (862, 93942), (921, 87924), (1228, 65943), (1293, 62628), (1724, 46971), (1842, 43962), (2586, 31314), (2763, 29308), (3684, 21981), (3879, 20876), (5172, 15657), (5219, 15516), (5526, 14654), (7327, 11052), (7758, 10438)]