About the Number

2127204720

2127204719 ← → 2127204721

2進数表記:1111110110010101001000101110000

漢数字表記:二十一億二千七百二十万四千七百二十

素因数分解:

2 4 × 3 3 × 5 1 × 984817 1

素因数の和:984839
約数の個数: 80
約数和(自身を含む): 7327045920
約数和(自身を除く): 5199841200

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 984817, 1969634, 2954451, 3939268, 4924085, 5908902, 7878536, 8863353, 9848170, 11817804, 14772255, 15757072, 17726706, 19696340, 23635608, 26590059, 29544510, 35453412, 39392680, 44316765, 47271216, 53180118, 59089020, 70906824, 78785360, 88633530, 106360236, 118178040, 132950295, 141813648, 177267060, 212720472, 236356080, 265900590, 354534120, 425440944, 531801180, 709068240, 1063602360, 2127204720]

約数ペア:
[(1, 2127204720), (2, 1063602360), (3, 709068240), (4, 531801180), (5, 425440944), (6, 354534120), (8, 265900590), (9, 236356080), (10, 212720472), (12, 177267060), (15, 141813648), (16, 132950295), (18, 118178040), (20, 106360236), (24, 88633530), (27, 78785360), (30, 70906824), (36, 59089020), (40, 53180118), (45, 47271216), (48, 44316765), (54, 39392680), (60, 35453412), (72, 29544510), (80, 26590059), (90, 23635608), (108, 19696340), (120, 17726706), (135, 15757072), (144, 14772255), (180, 11817804), (216, 9848170), (240, 8863353), (270, 7878536), (360, 5908902), (432, 4924085), (540, 3939268), (720, 2954451), (1080, 1969634), (2160, 984817)]

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