About the Number
30721440
2進数表記:1110101001100010110100000
漢数字表記:三千七十二万千四百四十
素因数分解:
素因数の和:2254
約数の個数: 96
約数和(自身を含む): 100154880
約数和(自身を除く): 69433440
約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 80, 87, 96, 116, 120, 145, 160, 174, 232, 240, 290, 348, 435, 464, 480, 580, 696, 870, 928, 1160, 1392, 1740, 2207, 2320, 2784, 3480, 4414, 4640, 6621, 6960, 8828, 11035, 13242, 13920, 17656, 22070, 26484, 33105, 35312, 44140, 52968, 64003, 66210, 70624, 88280, 105936, 128006, 132420, 176560, 192009, 211872, 256012, 264840, 320015, 353120, 384018, 512024, 529680, 640030, 768036, 960045, 1024048, 1059360, 1280060, 1536072, 1920090, 2048096, 2560120, 3072144, 3840180, 5120240, 6144288, 7680360, 10240480, 15360720, 30721440]
約数ペア:
[(1, 30721440), (2, 15360720), (3, 10240480), (4, 7680360), (5, 6144288), (6, 5120240), (8, 3840180), (10, 3072144), (12, 2560120), (15, 2048096), (16, 1920090), (20, 1536072), (24, 1280060), (29, 1059360), (30, 1024048), (32, 960045), (40, 768036), (48, 640030), (58, 529680), (60, 512024), (80, 384018), (87, 353120), (96, 320015), (116, 264840), (120, 256012), (145, 211872), (160, 192009), (174, 176560), (232, 132420), (240, 128006), (290, 105936), (348, 88280), (435, 70624), (464, 66210), (480, 64003), (580, 52968), (696, 44140), (870, 35312), (928, 33105), (1160, 26484), (1392, 22070), (1740, 17656), (2207, 13920), (2320, 13242), (2784, 11035), (3480, 8828), (4414, 6960), (4640, 6621)]このpageの処理時間: 0.16820287704467773 seconds