80806245

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 149022720

約数和(自身を除く): 68216475

約数列:

[1, 3, 5, 13, 15, 23, 39, 43, 65, 69, 115, 129, 195, 215, 299, 345, 419, 559, 645, 897, 989, 1257, 1495, 1677, 2095, 2795, 2967, 4485, 4945, 5447, 6285, 8385, 9637, 12857, 14835, 16341, 18017, 27235, 28911, 38571, 48185, 54051, 64285, 81705, 90085, 125281, 144555, 192855, 234221, 270255, 375843, 414391, 626405, 702663, 1171105, 1243173, 1879215, 2071955, 3513315, 5387083, 6215865, 16161249, 26935415, 80806245]

約数ペア:

[(1, 80806245), (3, 26935415), (5, 16161249), (13, 6215865), (15, 5387083), (23, 3513315), (39, 2071955), (43, 1879215), (65, 1243173), (69, 1171105), (115, 702663), (129, 626405), (195, 414391), (215, 375843), (299, 270255), (345, 234221), (419, 192855), (559, 144555), (645, 125281), (897, 90085), (989, 81705), (1257, 64285), (1495, 54051), (1677, 48185), (2095, 38571), (2795, 28911), (2967, 27235), (4485, 18017), (4945, 16341), (5447, 14835), (6285, 12857), (8385, 9637)]