About the Number

121288320

121288319 ← → 121288321

2進数表記:111001110101011011010000000

漢数字表記:一億二千百二十八万八千三百二十

素因数分解:

2 7 × 3 3 × 5 1 × 7019 1

素因数の和:7047
約数の個数: 128
約数和(自身を含む): 429624000
約数和(自身を除く): 308335680

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, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 7019, 8640, 14038, 17280, 21057, 28076, 35095, 42114, 56152, 63171, 70190, 84228, 105285, 112304, 126342, 140380, 168456, 189513, 210570, 224608, 252684, 280760, 315855, 336912, 379026, 421140, 449216, 505368, 561520, 631710, 673824, 758052, 842280, 898432, 947565, 1010736, 1123040, 1263420, 1347648, 1516104, 1684560, 1895130, 2021472, 2246080, 2526840, 2695296, 3032208, 3369120, 3790260, 4042944, 4492160, 5053680, 6064416, 6738240, 7580520, 8085888, 10107360, 12128832, 13476480, 15161040, 20214720, 24257664, 30322080, 40429440, 60644160, 121288320]

約数ペア:
[(1, 121288320), (2, 60644160), (3, 40429440), (4, 30322080), (5, 24257664), (6, 20214720), (8, 15161040), (9, 13476480), (10, 12128832), (12, 10107360), (15, 8085888), (16, 7580520), (18, 6738240), (20, 6064416), (24, 5053680), (27, 4492160), (30, 4042944), (32, 3790260), (36, 3369120), (40, 3032208), (45, 2695296), (48, 2526840), (54, 2246080), (60, 2021472), (64, 1895130), (72, 1684560), (80, 1516104), (90, 1347648), (96, 1263420), (108, 1123040), (120, 1010736), (128, 947565), (135, 898432), (144, 842280), (160, 758052), (180, 673824), (192, 631710), (216, 561520), (240, 505368), (270, 449216), (288, 421140), (320, 379026), (360, 336912), (384, 315855), (432, 280760), (480, 252684), (540, 224608), (576, 210570), (640, 189513), (720, 168456), (864, 140380), (960, 126342), (1080, 112304), (1152, 105285), (1440, 84228), (1728, 70190), (1920, 63171), (2160, 56152), (2880, 42114), (3456, 35095), (4320, 28076), (5760, 21057), (7019, 17280), (8640, 14038)]

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