About the Number

855439680

855439679 ← → 855439681

2進数表記:110010111111001111100101000000

漢数字表記:八億五千五百四十三万九千六百八十

素因数分解:

2 6 × 3 1 × 5 1 × 29 1 × 30727 1

素因数の和:30776
約数の個数: 112
約数和(自身を含む): 2809768320
約数和(自身を除く): 1954328640

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 145, 160, 174, 192, 232, 240, 290, 320, 348, 435, 464, 480, 580, 696, 870, 928, 960, 1160, 1392, 1740, 1856, 2320, 2784, 3480, 4640, 5568, 6960, 9280, 13920, 27840, 30727, 61454, 92181, 122908, 153635, 184362, 245816, 307270, 368724, 460905, 491632, 614540, 737448, 891083, 921810, 983264, 1229080, 1474896, 1782166, 1843620, 1966528, 2458160, 2673249, 2949792, 3564332, 3687240, 4455415, 4916320, 5346498, 5899584, 7128664, 7374480, 8910830, 9832640, 10692996, 13366245, 14257328, 14748960, 17821660, 21385992, 26732490, 28514656, 29497920, 35643320, 42771984, 53464980, 57029312, 71286640, 85543968, 106929960, 142573280, 171087936, 213859920, 285146560, 427719840, 855439680]

約数ペア:
[(1, 855439680), (2, 427719840), (3, 285146560), (4, 213859920), (5, 171087936), (6, 142573280), (8, 106929960), (10, 85543968), (12, 71286640), (15, 57029312), (16, 53464980), (20, 42771984), (24, 35643320), (29, 29497920), (30, 28514656), (32, 26732490), (40, 21385992), (48, 17821660), (58, 14748960), (60, 14257328), (64, 13366245), (80, 10692996), (87, 9832640), (96, 8910830), (116, 7374480), (120, 7128664), (145, 5899584), (160, 5346498), (174, 4916320), (192, 4455415), (232, 3687240), (240, 3564332), (290, 2949792), (320, 2673249), (348, 2458160), (435, 1966528), (464, 1843620), (480, 1782166), (580, 1474896), (696, 1229080), (870, 983264), (928, 921810), (960, 891083), (1160, 737448), (1392, 614540), (1740, 491632), (1856, 460905), (2320, 368724), (2784, 307270), (3480, 245816), (4640, 184362), (5568, 153635), (6960, 122908), (9280, 92181), (13920, 61454), (27840, 30727)]

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