About the Number
31381440
2進数表記:1110111101101011111000000
漢数字表記:三千百三十八万千四百四十
素因数分解:
素因数の和:454
約数の個数: 112
約数和(自身を含む): 100961952
約数和(自身を除く): 69580512
約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 97, 120, 160, 192, 194, 240, 291, 320, 337, 388, 480, 485, 582, 674, 776, 960, 970, 1011, 1164, 1348, 1455, 1552, 1685, 1940, 2022, 2328, 2696, 2910, 3104, 3370, 3880, 4044, 4656, 5055, 5392, 5820, 6208, 6740, 7760, 8088, 9312, 10110, 10784, 11640, 13480, 15520, 16176, 18624, 20220, 21568, 23280, 26960, 31040, 32352, 32689, 40440, 46560, 53920, 64704, 65378, 80880, 93120, 98067, 107840, 130756, 161760, 163445, 196134, 261512, 323520, 326890, 392268, 490335, 523024, 653780, 784536, 980670, 1046048, 1307560, 1569072, 1961340, 2092096, 2615120, 3138144, 3922680, 5230240, 6276288, 7845360, 10460480, 15690720, 31381440]
約数ペア:
[(1, 31381440), (2, 15690720), (3, 10460480), (4, 7845360), (5, 6276288), (6, 5230240), (8, 3922680), (10, 3138144), (12, 2615120), (15, 2092096), (16, 1961340), (20, 1569072), (24, 1307560), (30, 1046048), (32, 980670), (40, 784536), (48, 653780), (60, 523024), (64, 490335), (80, 392268), (96, 326890), (97, 323520), (120, 261512), (160, 196134), (192, 163445), (194, 161760), (240, 130756), (291, 107840), (320, 98067), (337, 93120), (388, 80880), (480, 65378), (485, 64704), (582, 53920), (674, 46560), (776, 40440), (960, 32689), (970, 32352), (1011, 31040), (1164, 26960), (1348, 23280), (1455, 21568), (1552, 20220), (1685, 18624), (1940, 16176), (2022, 15520), (2328, 13480), (2696, 11640), (2910, 10784), (3104, 10110), (3370, 9312), (3880, 8088), (4044, 7760), (4656, 6740), (5055, 6208), (5392, 5820)]このpageの処理時間: 0.12689995765686035 seconds