128268160

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6911}}^1$

素因数の和:6959

約数の個数: 64

約数和(自身を含む): 317260800

約数和(自身を除く): 188992640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 928, 1160, 1856, 2320, 3712, 4640, 6911, 9280, 13822, 18560, 27644, 34555, 55288, 69110, 110576, 138220, 200419, 221152, 276440, 400838, 442304, 552880, 801676, 884608, 1002095, 1105760, 1603352, 2004190, 2211520, 3206704, 4008380, 4423040, 6413408, 8016760, 12826816, 16033520, 25653632, 32067040, 64134080, 128268160]

約数ペア:

[(1, 128268160), (2, 64134080), (4, 32067040), (5, 25653632), (8, 16033520), (10, 12826816), (16, 8016760), (20, 6413408), (29, 4423040), (32, 4008380), (40, 3206704), (58, 2211520), (64, 2004190), (80, 1603352), (116, 1105760), (128, 1002095), (145, 884608), (160, 801676), (232, 552880), (290, 442304), (320, 400838), (464, 276440), (580, 221152), (640, 200419), (928, 138220), (1160, 110576), (1856, 69110), (2320, 55288), (3712, 34555), (4640, 27644), (6911, 18560), (9280, 13822)]