About the Number

81001080

81001079 ← → 81001081

2進数表記:100110100111111101001111000

漢数字表記:八千百万千八十

素因数分解:

2 3 × 3 3 × 5 1 × 179 1 × 419 1

素因数の和:618
約数の個数: 128
約数和(自身を含む): 272160000
約数和(自身を除く): 191158920

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 179, 180, 216, 270, 358, 360, 419, 537, 540, 716, 838, 895, 1074, 1080, 1257, 1432, 1611, 1676, 1790, 2095, 2148, 2514, 2685, 3222, 3352, 3580, 3771, 4190, 4296, 4833, 5028, 5370, 6285, 6444, 7160, 7542, 8055, 8380, 9666, 10056, 10740, 11313, 12570, 12888, 15084, 16110, 16760, 18855, 19332, 21480, 22626, 24165, 25140, 30168, 32220, 37710, 38664, 45252, 48330, 50280, 56565, 64440, 75001, 75420, 90504, 96660, 113130, 150002, 150840, 193320, 225003, 226260, 300004, 375005, 450006, 452520, 600008, 675009, 750010, 900012, 1125015, 1350018, 1500020, 1800024, 2025027, 2250030, 2700036, 3000040, 3375045, 4050054, 4500060, 5400072, 6750090, 8100108, 9000120, 10125135, 13500180, 16200216, 20250270, 27000360, 40500540, 81001080]

約数ペア:
[(1, 81001080), (2, 40500540), (3, 27000360), (4, 20250270), (5, 16200216), (6, 13500180), (8, 10125135), (9, 9000120), (10, 8100108), (12, 6750090), (15, 5400072), (18, 4500060), (20, 4050054), (24, 3375045), (27, 3000040), (30, 2700036), (36, 2250030), (40, 2025027), (45, 1800024), (54, 1500020), (60, 1350018), (72, 1125015), (90, 900012), (108, 750010), (120, 675009), (135, 600008), (179, 452520), (180, 450006), (216, 375005), (270, 300004), (358, 226260), (360, 225003), (419, 193320), (537, 150840), (540, 150002), (716, 113130), (838, 96660), (895, 90504), (1074, 75420), (1080, 75001), (1257, 64440), (1432, 56565), (1611, 50280), (1676, 48330), (1790, 45252), (2095, 38664), (2148, 37710), (2514, 32220), (2685, 30168), (3222, 25140), (3352, 24165), (3580, 22626), (3771, 21480), (4190, 19332), (4296, 18855), (4833, 16760), (5028, 16110), (5370, 15084), (6285, 12888), (6444, 12570), (7160, 11313), (7542, 10740), (8055, 10056), (8380, 9666)]

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