About the Number

131290560

131290559 ← → 131290561

2進数表記:111110100110101010111000000

漢数字表記:一億三千百二十九万五百六十

素因数分解:

2 6 × 3 2 × 5 1 × 45587 1

素因数の和:45610
約数の個数: 84
約数和(自身を含む): 451594728
約数和(自身を除く): 320304168

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, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 45587, 91174, 136761, 182348, 227935, 273522, 364696, 410283, 455870, 547044, 683805, 729392, 820566, 911740, 1094088, 1367610, 1458784, 1641132, 1823480, 2051415, 2188176, 2735220, 2917568, 3282264, 3646960, 4102830, 4376352, 5470440, 6564528, 7293920, 8205660, 8752704, 10940880, 13129056, 14587840, 16411320, 21881760, 26258112, 32822640, 43763520, 65645280, 131290560]

約数ペア:
[(1, 131290560), (2, 65645280), (3, 43763520), (4, 32822640), (5, 26258112), (6, 21881760), (8, 16411320), (9, 14587840), (10, 13129056), (12, 10940880), (15, 8752704), (16, 8205660), (18, 7293920), (20, 6564528), (24, 5470440), (30, 4376352), (32, 4102830), (36, 3646960), (40, 3282264), (45, 2917568), (48, 2735220), (60, 2188176), (64, 2051415), (72, 1823480), (80, 1641132), (90, 1458784), (96, 1367610), (120, 1094088), (144, 911740), (160, 820566), (180, 729392), (192, 683805), (240, 547044), (288, 455870), (320, 410283), (360, 364696), (480, 273522), (576, 227935), (720, 182348), (960, 136761), (1440, 91174), (2880, 45587)]

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