About the Number

31329280

31329279 ← → 31329281

2進数表記:1110111100000110000000000

漢数字表記:三千百三十二万九千二百八十

素因数分解:

2 10 × 5 1 × 29 1 × 211 1

素因数の和:265
約数の個数: 88
約数和(自身を含む): 78113520
約数和(自身を除く): 46784240

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 211, 232, 256, 290, 320, 422, 464, 512, 580, 640, 844, 928, 1024, 1055, 1160, 1280, 1688, 1856, 2110, 2320, 2560, 3376, 3712, 4220, 4640, 5120, 6119, 6752, 7424, 8440, 9280, 12238, 13504, 14848, 16880, 18560, 24476, 27008, 29696, 30595, 33760, 37120, 48952, 54016, 61190, 67520, 74240, 97904, 108032, 122380, 135040, 148480, 195808, 216064, 244760, 270080, 391616, 489520, 540160, 783232, 979040, 1080320, 1566464, 1958080, 3132928, 3916160, 6265856, 7832320, 15664640, 31329280]

約数ペア:
[(1, 31329280), (2, 15664640), (4, 7832320), (5, 6265856), (8, 3916160), (10, 3132928), (16, 1958080), (20, 1566464), (29, 1080320), (32, 979040), (40, 783232), (58, 540160), (64, 489520), (80, 391616), (116, 270080), (128, 244760), (145, 216064), (160, 195808), (211, 148480), (232, 135040), (256, 122380), (290, 108032), (320, 97904), (422, 74240), (464, 67520), (512, 61190), (580, 54016), (640, 48952), (844, 37120), (928, 33760), (1024, 30595), (1055, 29696), (1160, 27008), (1280, 24476), (1688, 18560), (1856, 16880), (2110, 14848), (2320, 13504), (2560, 12238), (3376, 9280), (3712, 8440), (4220, 7424), (4640, 6752), (5120, 6119)]

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