256817680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{24137}}^1$

素因数の和:24176

約数の個数: 80

約数和(自身を含む): 718346880

約数和(自身を除く): 461529200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 24137, 48274, 96548, 120685, 168959, 193096, 241370, 337918, 386192, 458603, 482740, 675836, 844795, 917206, 965480, 1351672, 1689590, 1834412, 1930960, 2293015, 2703344, 3210221, 3379180, 3668824, 4586030, 6420442, 6758360, 7337648, 9172060, 12840884, 13516720, 16051105, 18344120, 25681768, 32102210, 36688240, 51363536, 64204420, 128408840, 256817680]

約数ペア:

[(1, 256817680), (2, 128408840), (4, 64204420), (5, 51363536), (7, 36688240), (8, 32102210), (10, 25681768), (14, 18344120), (16, 16051105), (19, 13516720), (20, 12840884), (28, 9172060), (35, 7337648), (38, 6758360), (40, 6420442), (56, 4586030), (70, 3668824), (76, 3379180), (80, 3210221), (95, 2703344), (112, 2293015), (133, 1930960), (140, 1834412), (152, 1689590), (190, 1351672), (266, 965480), (280, 917206), (304, 844795), (380, 675836), (532, 482740), (560, 458603), (665, 386192), (760, 337918), (1064, 241370), (1330, 193096), (1520, 168959), (2128, 120685), (2660, 96548), (5320, 48274), (10640, 24137)]