About the Number

27131640

27131639 ← → 27131641

2進数表記:1100111011111111011111000

漢数字表記:二千七百十三万千六百四十

素因数分解:

2 3 × 3 1 × 5 1 × 311 1 × 727 1

素因数の和:1052
約数の個数: 64
約数和(自身を含む): 81768960
約数和(自身を除く): 54637320

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 311, 622, 727, 933, 1244, 1454, 1555, 1866, 2181, 2488, 2908, 3110, 3635, 3732, 4362, 4665, 5816, 6220, 7270, 7464, 8724, 9330, 10905, 12440, 14540, 17448, 18660, 21810, 29080, 37320, 43620, 87240, 226097, 452194, 678291, 904388, 1130485, 1356582, 1808776, 2260970, 2713164, 3391455, 4521940, 5426328, 6782910, 9043880, 13565820, 27131640]

約数ペア:
[(1, 27131640), (2, 13565820), (3, 9043880), (4, 6782910), (5, 5426328), (6, 4521940), (8, 3391455), (10, 2713164), (12, 2260970), (15, 1808776), (20, 1356582), (24, 1130485), (30, 904388), (40, 678291), (60, 452194), (120, 226097), (311, 87240), (622, 43620), (727, 37320), (933, 29080), (1244, 21810), (1454, 18660), (1555, 17448), (1866, 14540), (2181, 12440), (2488, 10905), (2908, 9330), (3110, 8724), (3635, 7464), (3732, 7270), (4362, 6220), (4665, 5816)]

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