255426880

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1056

約数の個数: 112

約数和(自身を含む): 655807680

約数和(自身を除く): 400380800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 64, 76, 80, 86, 95, 152, 160, 172, 190, 215, 304, 320, 344, 380, 430, 608, 688, 760, 817, 860, 977, 1216, 1376, 1520, 1634, 1720, 1954, 2752, 3040, 3268, 3440, 3908, 4085, 4885, 6080, 6536, 6880, 7816, 8170, 9770, 13072, 13760, 15632, 16340, 18563, 19540, 26144, 31264, 32680, 37126, 39080, 42011, 52288, 62528, 65360, 74252, 78160, 84022, 92815, 130720, 148504, 156320, 168044, 185630, 210055, 261440, 297008, 312640, 336088, 371260, 420110, 594016, 672176, 742520, 798209, 840220, 1188032, 1344352, 1485040, 1596418, 1680440, 2688704, 2970080, 3192836, 3360880, 3991045, 5940160, 6385672, 6721760, 7982090, 12771344, 13443520, 15964180, 25542688, 31928360, 51085376, 63856720, 127713440, 255426880]

約数ペア:

[(1, 255426880), (2, 127713440), (4, 63856720), (5, 51085376), (8, 31928360), (10, 25542688), (16, 15964180), (19, 13443520), (20, 12771344), (32, 7982090), (38, 6721760), (40, 6385672), (43, 5940160), (64, 3991045), (76, 3360880), (80, 3192836), (86, 2970080), (95, 2688704), (152, 1680440), (160, 1596418), (172, 1485040), (190, 1344352), (215, 1188032), (304, 840220), (320, 798209), (344, 742520), (380, 672176), (430, 594016), (608, 420110), (688, 371260), (760, 336088), (817, 312640), (860, 297008), (977, 261440), (1216, 210055), (1376, 185630), (1520, 168044), (1634, 156320), (1720, 148504), (1954, 130720), (2752, 92815), (3040, 84022), (3268, 78160), (3440, 74252), (3908, 65360), (4085, 62528), (4885, 52288), (6080, 42011), (6536, 39080), (6880, 37126), (7816, 32680), (8170, 31264), (9770, 26144), (13072, 19540), (13760, 18563), (15632, 16340)]