728016080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{8191}}^1$

素因数の和:8316

約数の個数: 80

約数和(自身を含む): 1865023488

約数和(自身を除く): 1137007408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 110, 176, 202, 220, 404, 440, 505, 808, 880, 1010, 1111, 1616, 2020, 2222, 4040, 4444, 5555, 8080, 8191, 8888, 11110, 16382, 17776, 22220, 32764, 40955, 44440, 65528, 81910, 88880, 90101, 131056, 163820, 180202, 327640, 360404, 450505, 655280, 720808, 827291, 901010, 1441616, 1654582, 1802020, 3309164, 3604040, 4136455, 6618328, 7208080, 8272910, 9100201, 13236656, 16545820, 18200402, 33091640, 36400804, 45501005, 66183280, 72801608, 91002010, 145603216, 182004020, 364008040, 728016080]

約数ペア:

[(1, 728016080), (2, 364008040), (4, 182004020), (5, 145603216), (8, 91002010), (10, 72801608), (11, 66183280), (16, 45501005), (20, 36400804), (22, 33091640), (40, 18200402), (44, 16545820), (55, 13236656), (80, 9100201), (88, 8272910), (101, 7208080), (110, 6618328), (176, 4136455), (202, 3604040), (220, 3309164), (404, 1802020), (440, 1654582), (505, 1441616), (808, 901010), (880, 827291), (1010, 720808), (1111, 655280), (1616, 450505), (2020, 360404), (2222, 327640), (4040, 180202), (4444, 163820), (5555, 131056), (8080, 90101), (8191, 88880), (8888, 81910), (11110, 65528), (16382, 44440), (17776, 40955), (22220, 32764)]