79827440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12959}}^1$

素因数の和:12990

約数の個数: 80

約数和(自身を含む): 231413760

約数和(自身を除く): 151586320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 12959, 25918, 51836, 64795, 90713, 103672, 129590, 142549, 181426, 207344, 259180, 285098, 362852, 453565, 518360, 570196, 712745, 725704, 907130, 997843, 1036720, 1140392, 1425490, 1451408, 1814260, 1995686, 2280784, 2850980, 3628520, 3991372, 4989215, 5701960, 7257040, 7982744, 9978430, 11403920, 15965488, 19956860, 39913720, 79827440]

約数ペア:

[(1, 79827440), (2, 39913720), (4, 19956860), (5, 15965488), (7, 11403920), (8, 9978430), (10, 7982744), (11, 7257040), (14, 5701960), (16, 4989215), (20, 3991372), (22, 3628520), (28, 2850980), (35, 2280784), (40, 1995686), (44, 1814260), (55, 1451408), (56, 1425490), (70, 1140392), (77, 1036720), (80, 997843), (88, 907130), (110, 725704), (112, 712745), (140, 570196), (154, 518360), (176, 453565), (220, 362852), (280, 285098), (308, 259180), (385, 207344), (440, 181426), (560, 142549), (616, 129590), (770, 103672), (880, 90713), (1232, 64795), (1540, 51836), (3080, 25918), (6160, 12959)]