128412160

素因数分解:

$2^9\times 5^1\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:613

約数の個数: 80

約数和(自身を含む): 311515776

約数和(自身を除く): 183103616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 256, 320, 412, 487, 512, 515, 640, 824, 974, 1030, 1280, 1648, 1948, 2060, 2435, 2560, 3296, 3896, 4120, 4870, 6592, 7792, 8240, 9740, 13184, 15584, 16480, 19480, 26368, 31168, 32960, 38960, 50161, 52736, 62336, 65920, 77920, 100322, 124672, 131840, 155840, 200644, 249344, 250805, 263680, 311680, 401288, 501610, 623360, 802576, 1003220, 1246720, 1605152, 2006440, 3210304, 4012880, 6420608, 8025760, 12841216, 16051520, 25682432, 32103040, 64206080, 128412160]

約数ペア:

[(1, 128412160), (2, 64206080), (4, 32103040), (5, 25682432), (8, 16051520), (10, 12841216), (16, 8025760), (20, 6420608), (32, 4012880), (40, 3210304), (64, 2006440), (80, 1605152), (103, 1246720), (128, 1003220), (160, 802576), (206, 623360), (256, 501610), (320, 401288), (412, 311680), (487, 263680), (512, 250805), (515, 249344), (640, 200644), (824, 155840), (974, 131840), (1030, 124672), (1280, 100322), (1648, 77920), (1948, 65920), (2060, 62336), (2435, 52736), (2560, 50161), (3296, 38960), (3896, 32960), (4120, 31168), (4870, 26368), (6592, 19480), (7792, 16480), (8240, 15584), (9740, 13184)]