68673280

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4127}}^1$

素因数の和:4161

約数の個数: 72

約数和(自身を含む): 177190272

約数和(自身を除く): 108516992

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, 4127, 4160, 8254, 8320, 16508, 16640, 20635, 33016, 41270, 53651, 66032, 82540, 107302, 132064, 165080, 214604, 264128, 268255, 330160, 429208, 528256, 536510, 660320, 858416, 1056512, 1073020, 1320640, 1716832, 2146040, 2641280, 3433664, 4292080, 5282560, 6867328, 8584160, 13734656, 17168320, 34336640, 68673280]

約数ペア:

[(1, 68673280), (2, 34336640), (4, 17168320), (5, 13734656), (8, 8584160), (10, 6867328), (13, 5282560), (16, 4292080), (20, 3433664), (26, 2641280), (32, 2146040), (40, 1716832), (52, 1320640), (64, 1073020), (65, 1056512), (80, 858416), (104, 660320), (128, 536510), (130, 528256), (160, 429208), (208, 330160), (256, 268255), (260, 264128), (320, 214604), (416, 165080), (520, 132064), (640, 107302), (832, 82540), (1040, 66032), (1280, 53651), (1664, 41270), (2080, 33016), (3328, 20635), (4127, 16640), (4160, 16508), (8254, 8320)]