About the Number

28284720

28284719 ← → 28284721

2進数表記:1101011111001011100110000

漢数字表記:二千八百二十八万四千七百二十

素因数分解:

2 4 × 3 1 × 5 1 × 67 1 × 1759 1

素因数の和:1842
約数の個数: 80
約数和(自身を含む): 89041920
約数和(自身を除く): 60757200

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 67, 80, 120, 134, 201, 240, 268, 335, 402, 536, 670, 804, 1005, 1072, 1340, 1608, 1759, 2010, 2680, 3216, 3518, 4020, 5277, 5360, 7036, 8040, 8795, 10554, 14072, 16080, 17590, 21108, 26385, 28144, 35180, 42216, 52770, 70360, 84432, 105540, 117853, 140720, 211080, 235706, 353559, 422160, 471412, 589265, 707118, 942824, 1178530, 1414236, 1767795, 1885648, 2357060, 2828472, 3535590, 4714120, 5656944, 7071180, 9428240, 14142360, 28284720]

約数ペア:
[(1, 28284720), (2, 14142360), (3, 9428240), (4, 7071180), (5, 5656944), (6, 4714120), (8, 3535590), (10, 2828472), (12, 2357060), (15, 1885648), (16, 1767795), (20, 1414236), (24, 1178530), (30, 942824), (40, 707118), (48, 589265), (60, 471412), (67, 422160), (80, 353559), (120, 235706), (134, 211080), (201, 140720), (240, 117853), (268, 105540), (335, 84432), (402, 70360), (536, 52770), (670, 42216), (804, 35180), (1005, 28144), (1072, 26385), (1340, 21108), (1608, 17590), (1759, 16080), (2010, 14072), (2680, 10554), (3216, 8795), (3518, 8040), (4020, 7036), (5277, 5360)]

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