About the Number

129690720

129690719 ← → 129690721

2進数表記:111101110101110110001100000

漢数字表記:一億二千九百六十九万七百二十

素因数分解:

2 5 × 3 4 × 5 1 × 10007 1

素因数の和:10034
約数の個数: 120
約数和(自身を含む): 457745904
約数和(自身を除く): 328055184

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, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 10007, 12960, 20014, 30021, 40028, 50035, 60042, 80056, 90063, 100070, 120084, 150105, 160112, 180126, 200140, 240168, 270189, 300210, 320224, 360252, 400280, 450315, 480336, 540378, 600420, 720504, 800560, 810567, 900630, 960672, 1080756, 1200840, 1350945, 1441008, 1601120, 1621134, 1801260, 2161512, 2401680, 2701890, 2882016, 3242268, 3602520, 4052835, 4323024, 4803360, 5403780, 6484536, 7205040, 8105670, 8646048, 10807560, 12969072, 14410080, 16211340, 21615120, 25938144, 32422680, 43230240, 64845360, 129690720]

約数ペア:
[(1, 129690720), (2, 64845360), (3, 43230240), (4, 32422680), (5, 25938144), (6, 21615120), (8, 16211340), (9, 14410080), (10, 12969072), (12, 10807560), (15, 8646048), (16, 8105670), (18, 7205040), (20, 6484536), (24, 5403780), (27, 4803360), (30, 4323024), (32, 4052835), (36, 3602520), (40, 3242268), (45, 2882016), (48, 2701890), (54, 2401680), (60, 2161512), (72, 1801260), (80, 1621134), (81, 1601120), (90, 1441008), (96, 1350945), (108, 1200840), (120, 1080756), (135, 960672), (144, 900630), (160, 810567), (162, 800560), (180, 720504), (216, 600420), (240, 540378), (270, 480336), (288, 450315), (324, 400280), (360, 360252), (405, 320224), (432, 300210), (480, 270189), (540, 240168), (648, 200140), (720, 180126), (810, 160112), (864, 150105), (1080, 120084), (1296, 100070), (1440, 90063), (1620, 80056), (2160, 60042), (2592, 50035), (3240, 40028), (4320, 30021), (6480, 20014), (10007, 12960)]

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