2779461520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73453}}^1$

素因数の和:73520

約数の個数: 80

約数和(自身を含む): 7213770432

約数和(自身を除く): 4434308912

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1892, 2365, 3440, 3784, 4730, 7568, 9460, 18920, 37840, 73453, 146906, 293812, 367265, 587624, 734530, 807983, 1175248, 1469060, 1615966, 2938120, 3158479, 3231932, 4039915, 5876240, 6316958, 6463864, 8079830, 12633916, 12927728, 15792395, 16159660, 25267832, 31584790, 32319320, 34743269, 50535664, 63169580, 64638640, 69486538, 126339160, 138973076, 173716345, 252678320, 277946152, 347432690, 555892304, 694865380, 1389730760, 2779461520]

約数ペア:

[(1, 2779461520), (2, 1389730760), (4, 694865380), (5, 555892304), (8, 347432690), (10, 277946152), (11, 252678320), (16, 173716345), (20, 138973076), (22, 126339160), (40, 69486538), (43, 64638640), (44, 63169580), (55, 50535664), (80, 34743269), (86, 32319320), (88, 31584790), (110, 25267832), (172, 16159660), (176, 15792395), (215, 12927728), (220, 12633916), (344, 8079830), (430, 6463864), (440, 6316958), (473, 5876240), (688, 4039915), (860, 3231932), (880, 3158479), (946, 2938120), (1720, 1615966), (1892, 1469060), (2365, 1175248), (3440, 807983), (3784, 734530), (4730, 587624), (7568, 367265), (9460, 293812), (18920, 146906), (37840, 73453)]