About the Number

268280640

268280639 ← → 268280641

2進数表記:1111111111011010001101000000

漢数字表記:二億六千八百二十八万六百四十

素因数分解:

2 6 × 3 3 × 5 1 × 31051 1

素因数の和:31077
約数の個数: 112
約数和(自身を含む): 946464960
約数和(自身を除く): 678184320

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 31051, 62102, 93153, 124204, 155255, 186306, 248408, 279459, 310510, 372612, 465765, 496816, 558918, 621020, 745224, 838377, 931530, 993632, 1117836, 1242040, 1397295, 1490448, 1676754, 1863060, 1987264, 2235672, 2484080, 2794590, 2980896, 3353508, 3726120, 4191885, 4471344, 4968160, 5589180, 5961792, 6707016, 7452240, 8383770, 8942688, 9936320, 11178360, 13414032, 14904480, 16767540, 17885376, 22356720, 26828064, 29808960, 33535080, 44713440, 53656128, 67070160, 89426880, 134140320, 268280640]

約数ペア:
[(1, 268280640), (2, 134140320), (3, 89426880), (4, 67070160), (5, 53656128), (6, 44713440), (8, 33535080), (9, 29808960), (10, 26828064), (12, 22356720), (15, 17885376), (16, 16767540), (18, 14904480), (20, 13414032), (24, 11178360), (27, 9936320), (30, 8942688), (32, 8383770), (36, 7452240), (40, 6707016), (45, 5961792), (48, 5589180), (54, 4968160), (60, 4471344), (64, 4191885), (72, 3726120), (80, 3353508), (90, 2980896), (96, 2794590), (108, 2484080), (120, 2235672), (135, 1987264), (144, 1863060), (160, 1676754), (180, 1490448), (192, 1397295), (216, 1242040), (240, 1117836), (270, 993632), (288, 931530), (320, 838377), (360, 745224), (432, 621020), (480, 558918), (540, 496816), (576, 465765), (720, 372612), (864, 310510), (960, 279459), (1080, 248408), (1440, 186306), (1728, 155255), (2160, 124204), (2880, 93153), (4320, 62102), (8640, 31051)]

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