255278320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1103}}^1$

素因数の和:1390

約数の個数: 80

約数和(自身を含む): 650529792

約数和(自身を除く): 395251472

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 263, 440, 526, 880, 1052, 1103, 1315, 2104, 2206, 2630, 2893, 4208, 4412, 5260, 5515, 5786, 8824, 10520, 11030, 11572, 12133, 14465, 17648, 21040, 22060, 23144, 24266, 28930, 44120, 46288, 48532, 57860, 60665, 88240, 97064, 115720, 121330, 194128, 231440, 242660, 290089, 485320, 580178, 970640, 1160356, 1450445, 2320712, 2900890, 3190979, 4641424, 5801780, 6381958, 11603560, 12763916, 15954895, 23207120, 25527832, 31909790, 51055664, 63819580, 127639160, 255278320]

約数ペア:

[(1, 255278320), (2, 127639160), (4, 63819580), (5, 51055664), (8, 31909790), (10, 25527832), (11, 23207120), (16, 15954895), (20, 12763916), (22, 11603560), (40, 6381958), (44, 5801780), (55, 4641424), (80, 3190979), (88, 2900890), (110, 2320712), (176, 1450445), (220, 1160356), (263, 970640), (440, 580178), (526, 485320), (880, 290089), (1052, 242660), (1103, 231440), (1315, 194128), (2104, 121330), (2206, 115720), (2630, 97064), (2893, 88240), (4208, 60665), (4412, 57860), (5260, 48532), (5515, 46288), (5786, 44120), (8824, 28930), (10520, 24266), (11030, 23144), (11572, 22060), (12133, 21040), (14465, 17648)]