About the Number
81069840
2進数表記:100110101010000011100010000
漢数字表記:八千百六万九千八百四十
素因数分解:
素因数の和:1161
約数の個数: 120
約数和(自身を含む): 275023320
約数和(自身を除く): 193953480
約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 109, 120, 144, 180, 218, 240, 327, 360, 436, 545, 654, 720, 872, 981, 1033, 1090, 1308, 1635, 1744, 1962, 2066, 2180, 2616, 3099, 3270, 3924, 4132, 4360, 4905, 5165, 5232, 6198, 6540, 7848, 8264, 8720, 9297, 9810, 10330, 12396, 13080, 15495, 15696, 16528, 18594, 19620, 20660, 24792, 26160, 30990, 37188, 39240, 41320, 46485, 49584, 61980, 74376, 78480, 82640, 92970, 112597, 123960, 148752, 185940, 225194, 247920, 337791, 371880, 450388, 562985, 675582, 743760, 900776, 1013373, 1125970, 1351164, 1688955, 1801552, 2026746, 2251940, 2702328, 3377910, 4053492, 4503880, 5066865, 5404656, 6755820, 8106984, 9007760, 10133730, 13511640, 16213968, 20267460, 27023280, 40534920, 81069840]
約数ペア:
[(1, 81069840), (2, 40534920), (3, 27023280), (4, 20267460), (5, 16213968), (6, 13511640), (8, 10133730), (9, 9007760), (10, 8106984), (12, 6755820), (15, 5404656), (16, 5066865), (18, 4503880), (20, 4053492), (24, 3377910), (30, 2702328), (36, 2251940), (40, 2026746), (45, 1801552), (48, 1688955), (60, 1351164), (72, 1125970), (80, 1013373), (90, 900776), (109, 743760), (120, 675582), (144, 562985), (180, 450388), (218, 371880), (240, 337791), (327, 247920), (360, 225194), (436, 185940), (545, 148752), (654, 123960), (720, 112597), (872, 92970), (981, 82640), (1033, 78480), (1090, 74376), (1308, 61980), (1635, 49584), (1744, 46485), (1962, 41320), (2066, 39240), (2180, 37188), (2616, 30990), (3099, 26160), (3270, 24792), (3924, 20660), (4132, 19620), (4360, 18594), (4905, 16528), (5165, 15696), (5232, 15495), (6198, 13080), (6540, 12396), (7848, 10330), (8264, 9810), (8720, 9297)]このpageの処理時間: 0.011532068252563477 seconds