About the Number

1329280

1329279 ← → 1329281

2進数表記:101000100100010000000

漢数字表記:百三十二万九千二百八十

素因数分解:

2 7 × 5 1 × 31 1 × 67 1

素因数の和:117
約数の個数: 64
約数和(自身を含む): 3329280
約数和(自身を除く): 2000000

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 67, 80, 124, 128, 134, 155, 160, 248, 268, 310, 320, 335, 496, 536, 620, 640, 670, 992, 1072, 1240, 1340, 1984, 2077, 2144, 2480, 2680, 3968, 4154, 4288, 4960, 5360, 8308, 8576, 9920, 10385, 10720, 16616, 19840, 20770, 21440, 33232, 41540, 42880, 66464, 83080, 132928, 166160, 265856, 332320, 664640, 1329280]

約数ペア:
[(1, 1329280), (2, 664640), (4, 332320), (5, 265856), (8, 166160), (10, 132928), (16, 83080), (20, 66464), (31, 42880), (32, 41540), (40, 33232), (62, 21440), (64, 20770), (67, 19840), (80, 16616), (124, 10720), (128, 10385), (134, 9920), (155, 8576), (160, 8308), (248, 5360), (268, 4960), (310, 4288), (320, 4154), (335, 3968), (496, 2680), (536, 2480), (620, 2144), (640, 2077), (670, 1984), (992, 1340), (1072, 1240)]

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