About the Number
129422720
2進数表記:111101101101101010110000000
漢数字表記:一億二千九百四十二万二千七百二十
素因数分解:
素因数の和:4160
約数の個数: 96
約数和(自身を含む): 360002880
約数和(自身を除く): 230580160
約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 3136, 3920, 4127, 4480, 6272, 7840, 8254, 15680, 16508, 20635, 28889, 31360, 33016, 41270, 57778, 66032, 82540, 115556, 132064, 144445, 165080, 202223, 231112, 264128, 288890, 330160, 404446, 462224, 528256, 577780, 660320, 808892, 924448, 1011115, 1155560, 1320640, 1617784, 1848896, 2022230, 2311120, 2641280, 3235568, 3697792, 4044460, 4622240, 6471136, 8088920, 9244480, 12942272, 16177840, 18488960, 25884544, 32355680, 64711360, 129422720]
約数ペア:
[(1, 129422720), (2, 64711360), (4, 32355680), (5, 25884544), (7, 18488960), (8, 16177840), (10, 12942272), (14, 9244480), (16, 8088920), (20, 6471136), (28, 4622240), (32, 4044460), (35, 3697792), (40, 3235568), (49, 2641280), (56, 2311120), (64, 2022230), (70, 1848896), (80, 1617784), (98, 1320640), (112, 1155560), (128, 1011115), (140, 924448), (160, 808892), (196, 660320), (224, 577780), (245, 528256), (280, 462224), (320, 404446), (392, 330160), (448, 288890), (490, 264128), (560, 231112), (640, 202223), (784, 165080), (896, 144445), (980, 132064), (1120, 115556), (1568, 82540), (1960, 66032), (2240, 57778), (3136, 41270), (3920, 33016), (4127, 31360), (4480, 28889), (6272, 20635), (7840, 16508), (8254, 15680)]このpageの処理時間: 0.005741119384765625 seconds