About the Number

129338640

129338639 ← → 129338641

2進数表記:111101101011000110100010000

漢数字表記:一億二千九百三十三万八千六百四十

素因数分解:

2 4 × 3 3 × 5 1 × 59879 1

素因数の和:59901
約数の個数: 80
約数和(自身を含む): 445507200
約数和(自身を除く): 316168560

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, 59879, 119758, 179637, 239516, 299395, 359274, 479032, 538911, 598790, 718548, 898185, 958064, 1077822, 1197580, 1437096, 1616733, 1796370, 2155644, 2395160, 2694555, 2874192, 3233466, 3592740, 4311288, 4790320, 5389110, 6466932, 7185480, 8083665, 8622576, 10778220, 12933864, 14370960, 16167330, 21556440, 25867728, 32334660, 43112880, 64669320, 129338640]

約数ペア:
[(1, 129338640), (2, 64669320), (3, 43112880), (4, 32334660), (5, 25867728), (6, 21556440), (8, 16167330), (9, 14370960), (10, 12933864), (12, 10778220), (15, 8622576), (16, 8083665), (18, 7185480), (20, 6466932), (24, 5389110), (27, 4790320), (30, 4311288), (36, 3592740), (40, 3233466), (45, 2874192), (48, 2694555), (54, 2395160), (60, 2155644), (72, 1796370), (80, 1616733), (90, 1437096), (108, 1197580), (120, 1077822), (135, 958064), (144, 898185), (180, 718548), (216, 598790), (240, 538911), (270, 479032), (360, 359274), (432, 299395), (540, 239516), (720, 179637), (1080, 119758), (2160, 59879)]

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