78542080

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1427}}^1$

素因数の和:1491

約数の個数: 72

約数和(自身を含む): 192642912

約数和(自身を除く): 114100832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 640, 688, 860, 1280, 1376, 1427, 1720, 2752, 2854, 3440, 5504, 5708, 6880, 7135, 11008, 11416, 13760, 14270, 22832, 27520, 28540, 45664, 55040, 57080, 61361, 91328, 114160, 122722, 182656, 228320, 245444, 306805, 365312, 456640, 490888, 613610, 913280, 981776, 1227220, 1826560, 1963552, 2454440, 3927104, 4908880, 7854208, 9817760, 15708416, 19635520, 39271040, 78542080]

約数ペア:

[(1, 78542080), (2, 39271040), (4, 19635520), (5, 15708416), (8, 9817760), (10, 7854208), (16, 4908880), (20, 3927104), (32, 2454440), (40, 1963552), (43, 1826560), (64, 1227220), (80, 981776), (86, 913280), (128, 613610), (160, 490888), (172, 456640), (215, 365312), (256, 306805), (320, 245444), (344, 228320), (430, 182656), (640, 122722), (688, 114160), (860, 91328), (1280, 61361), (1376, 57080), (1427, 55040), (1720, 45664), (2752, 28540), (2854, 27520), (3440, 22832), (5504, 14270), (5708, 13760), (6880, 11416), (7135, 11008)]