About the Number
121217280
2進数表記:111001110011010000100000000
漢数字表記:一億二千百二十一万七千二百八十
素因数分解:
素因数の和:31591
約数の個数: 72
約数和(自身を含む): 387149952
約数和(自身を除く): 265932672
約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 31567, 63134, 94701, 126268, 157835, 189402, 252536, 315670, 378804, 473505, 505072, 631340, 757608, 947010, 1010144, 1262680, 1515216, 1894020, 2020288, 2525360, 3030432, 3788040, 4040576, 5050720, 6060864, 7576080, 8081152, 10101440, 12121728, 15152160, 20202880, 24243456, 30304320, 40405760, 60608640, 121217280]
約数ペア:
[(1, 121217280), (2, 60608640), (3, 40405760), (4, 30304320), (5, 24243456), (6, 20202880), (8, 15152160), (10, 12121728), (12, 10101440), (15, 8081152), (16, 7576080), (20, 6060864), (24, 5050720), (30, 4040576), (32, 3788040), (40, 3030432), (48, 2525360), (60, 2020288), (64, 1894020), (80, 1515216), (96, 1262680), (120, 1010144), (128, 947010), (160, 757608), (192, 631340), (240, 505072), (256, 473505), (320, 378804), (384, 315670), (480, 252536), (640, 189402), (768, 157835), (960, 126268), (1280, 94701), (1920, 63134), (3840, 31567)]このpageの処理時間: 0.05089688301086426 seconds