74826880

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2719}}^1$

素因数の和:2781

約数の個数: 64

約数和(自身を含む): 183110400

約数和(自身を除く): 108283520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1376, 1720, 2719, 2752, 3440, 5438, 5504, 6880, 10876, 13595, 13760, 21752, 27190, 27520, 43504, 54380, 87008, 108760, 116917, 174016, 217520, 233834, 348032, 435040, 467668, 584585, 870080, 935336, 1169170, 1740160, 1870672, 2338340, 3741344, 4676680, 7482688, 9353360, 14965376, 18706720, 37413440, 74826880]

約数ペア:

[(1, 74826880), (2, 37413440), (4, 18706720), (5, 14965376), (8, 9353360), (10, 7482688), (16, 4676680), (20, 3741344), (32, 2338340), (40, 1870672), (43, 1740160), (64, 1169170), (80, 935336), (86, 870080), (128, 584585), (160, 467668), (172, 435040), (215, 348032), (320, 233834), (344, 217520), (430, 174016), (640, 116917), (688, 108760), (860, 87008), (1376, 54380), (1720, 43504), (2719, 27520), (2752, 27190), (3440, 21752), (5438, 13760), (5504, 13595), (6880, 10876)]