About the Number

131087520

131087519 ← → 131087521

2進数表記:111110100000011110010100000

漢数字表記:一億三千百八万七千五百二十

素因数分解:

2 5 × 3 2 × 5 1 × 91033 1

素因数の和:91054
約数の個数: 72
約数和(自身を含む): 447341076
約数和(自身を除く): 316253556

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 91033, 182066, 273099, 364132, 455165, 546198, 728264, 819297, 910330, 1092396, 1365495, 1456528, 1638594, 1820660, 2184792, 2730990, 2913056, 3277188, 3641320, 4096485, 4369584, 5461980, 6554376, 7282640, 8192970, 8739168, 10923960, 13108752, 14565280, 16385940, 21847920, 26217504, 32771880, 43695840, 65543760, 131087520]

約数ペア:
[(1, 131087520), (2, 65543760), (3, 43695840), (4, 32771880), (5, 26217504), (6, 21847920), (8, 16385940), (9, 14565280), (10, 13108752), (12, 10923960), (15, 8739168), (16, 8192970), (18, 7282640), (20, 6554376), (24, 5461980), (30, 4369584), (32, 4096485), (36, 3641320), (40, 3277188), (45, 2913056), (48, 2730990), (60, 2184792), (72, 1820660), (80, 1638594), (90, 1456528), (96, 1365495), (120, 1092396), (144, 910330), (160, 819297), (180, 728264), (240, 546198), (288, 455165), (360, 364132), (480, 273099), (720, 182066), (1440, 91033)]

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