257376960

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{29789}}^1$

素因数の和:29815

約数の個数: 112

約数和(自身を含む): 907999200

約数和(自身を除く): 650622240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 29789, 59578, 89367, 119156, 148945, 178734, 238312, 268101, 297890, 357468, 446835, 476624, 536202, 595780, 714936, 804303, 893670, 953248, 1072404, 1191560, 1340505, 1429872, 1608606, 1787340, 1906496, 2144808, 2383120, 2681010, 2859744, 3217212, 3574680, 4021515, 4289616, 4766240, 5362020, 5719488, 6434424, 7149360, 8043030, 8579232, 9532480, 10724040, 12868848, 14298720, 16086060, 17158464, 21448080, 25737696, 28597440, 32172120, 42896160, 51475392, 64344240, 85792320, 128688480, 257376960]

約数ペア:

[(1, 257376960), (2, 128688480), (3, 85792320), (4, 64344240), (5, 51475392), (6, 42896160), (8, 32172120), (9, 28597440), (10, 25737696), (12, 21448080), (15, 17158464), (16, 16086060), (18, 14298720), (20, 12868848), (24, 10724040), (27, 9532480), (30, 8579232), (32, 8043030), (36, 7149360), (40, 6434424), (45, 5719488), (48, 5362020), (54, 4766240), (60, 4289616), (64, 4021515), (72, 3574680), (80, 3217212), (90, 2859744), (96, 2681010), (108, 2383120), (120, 2144808), (135, 1906496), (144, 1787340), (160, 1608606), (180, 1429872), (192, 1340505), (216, 1191560), (240, 1072404), (270, 953248), (288, 893670), (320, 804303), (360, 714936), (432, 595780), (480, 536202), (540, 476624), (576, 446835), (720, 357468), (864, 297890), (960, 268101), (1080, 238312), (1440, 178734), (1728, 148945), (2160, 119156), (2880, 89367), (4320, 59578), (8640, 29789)]