About the Number

138311280

138311279 ← → 138311281

2進数表記:1000001111100111011001110000

漢数字表記:一億三千八百三十一万千二百八十

素因数分解:

2 4 × 3 3 × 5 1 × 64033 1

素因数の和:64055
約数の個数: 80
約数和(自身を含む): 476412960
約数和(自身を除く): 338101680

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, 64033, 128066, 192099, 256132, 320165, 384198, 512264, 576297, 640330, 768396, 960495, 1024528, 1152594, 1280660, 1536792, 1728891, 1920990, 2305188, 2561320, 2881485, 3073584, 3457782, 3841980, 4610376, 5122640, 5762970, 6915564, 7683960, 8644455, 9220752, 11525940, 13831128, 15367920, 17288910, 23051880, 27662256, 34577820, 46103760, 69155640, 138311280]

約数ペア:
[(1, 138311280), (2, 69155640), (3, 46103760), (4, 34577820), (5, 27662256), (6, 23051880), (8, 17288910), (9, 15367920), (10, 13831128), (12, 11525940), (15, 9220752), (16, 8644455), (18, 7683960), (20, 6915564), (24, 5762970), (27, 5122640), (30, 4610376), (36, 3841980), (40, 3457782), (45, 3073584), (48, 2881485), (54, 2561320), (60, 2305188), (72, 1920990), (80, 1728891), (90, 1536792), (108, 1280660), (120, 1152594), (135, 1024528), (144, 960495), (180, 768396), (216, 640330), (240, 576297), (270, 512264), (360, 384198), (432, 320165), (540, 256132), (720, 192099), (1080, 128066), (2160, 64033)]

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