79312640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 213687936

約数和(自身を除く): 134375296

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 64, 80, 86, 88, 110, 128, 131, 160, 172, 176, 215, 220, 256, 262, 320, 344, 352, 430, 440, 473, 524, 640, 655, 688, 704, 860, 880, 946, 1048, 1280, 1310, 1376, 1408, 1441, 1720, 1760, 1892, 2096, 2365, 2620, 2752, 2816, 2882, 3440, 3520, 3784, 4192, 4730, 5240, 5504, 5633, 5764, 6880, 7040, 7205, 7568, 8384, 9460, 10480, 11008, 11266, 11528, 13760, 14080, 14410, 15136, 16768, 18920, 20960, 22532, 23056, 27520, 28165, 28820, 30272, 33536, 37840, 41920, 45064, 46112, 55040, 56330, 57640, 60544, 61963, 75680, 83840, 90128, 92224, 112660, 115280, 121088, 123926, 151360, 167680, 180256, 184448, 225320, 230560, 247852, 302720, 309815, 360512, 368896, 450640, 461120, 495704, 605440, 619630, 721024, 901280, 922240, 991408, 1239260, 1442048, 1802560, 1844480, 1982816, 2478520, 3605120, 3965632, 4957040, 7210240, 7931264, 9914080, 15862528, 19828160, 39656320, 79312640]

約数ペア:

[(1, 79312640), (2, 39656320), (4, 19828160), (5, 15862528), (8, 9914080), (10, 7931264), (11, 7210240), (16, 4957040), (20, 3965632), (22, 3605120), (32, 2478520), (40, 1982816), (43, 1844480), (44, 1802560), (55, 1442048), (64, 1239260), (80, 991408), (86, 922240), (88, 901280), (110, 721024), (128, 619630), (131, 605440), (160, 495704), (172, 461120), (176, 450640), (215, 368896), (220, 360512), (256, 309815), (262, 302720), (320, 247852), (344, 230560), (352, 225320), (430, 184448), (440, 180256), (473, 167680), (524, 151360), (640, 123926), (655, 121088), (688, 115280), (704, 112660), (860, 92224), (880, 90128), (946, 83840), (1048, 75680), (1280, 61963), (1310, 60544), (1376, 57640), (1408, 56330), (1441, 55040), (1720, 46112), (1760, 45064), (1892, 41920), (2096, 37840), (2365, 33536), (2620, 30272), (2752, 28820), (2816, 28165), (2882, 27520), (3440, 23056), (3520, 22532), (3784, 20960), (4192, 18920), (4730, 16768), (5240, 15136), (5504, 14410), (5633, 14080), (5764, 13760), (6880, 11528), (7040, 11266), (7205, 11008), (7568, 10480), (8384, 9460)]