188880640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11351}}^1$

素因数の和:11385

約数の個数: 72

約数和(自身を含む): 487273248

約数和(自身を除く): 298392608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 11351, 16640, 22702, 45404, 56755, 90808, 113510, 147563, 181616, 227020, 295126, 363232, 454040, 590252, 726464, 737815, 908080, 1180504, 1452928, 1475630, 1816160, 2361008, 2905856, 2951260, 3632320, 4722016, 5902520, 7264640, 9444032, 11805040, 14529280, 18888064, 23610080, 37776128, 47220160, 94440320, 188880640]

約数ペア:

[(1, 188880640), (2, 94440320), (4, 47220160), (5, 37776128), (8, 23610080), (10, 18888064), (13, 14529280), (16, 11805040), (20, 9444032), (26, 7264640), (32, 5902520), (40, 4722016), (52, 3632320), (64, 2951260), (65, 2905856), (80, 2361008), (104, 1816160), (128, 1475630), (130, 1452928), (160, 1180504), (208, 908080), (256, 737815), (260, 726464), (320, 590252), (416, 454040), (520, 363232), (640, 295126), (832, 227020), (1040, 181616), (1280, 147563), (1664, 113510), (2080, 90808), (3328, 56755), (4160, 45404), (8320, 22702), (11351, 16640)]