About the Number

172021320

172021319 ← → 172021321

2進数表記:1010010000001101011001001000

漢数字表記:一億七千二百二万千三百二十

素因数分解:

2 3 × 3 4 × 5 1 × 53093 1

素因数の和:53116
約数の個数: 80
約数和(自身を含む): 578193660
約数和(自身を除く): 406172340

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, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 53093, 106186, 159279, 212372, 265465, 318558, 424744, 477837, 530930, 637116, 796395, 955674, 1061860, 1274232, 1433511, 1592790, 1911348, 2123720, 2389185, 2867022, 3185580, 3822696, 4300533, 4778370, 5734044, 6371160, 7167555, 8601066, 9556740, 11468088, 14335110, 17202132, 19113480, 21502665, 28670220, 34404264, 43005330, 57340440, 86010660, 172021320]

約数ペア:
[(1, 172021320), (2, 86010660), (3, 57340440), (4, 43005330), (5, 34404264), (6, 28670220), (8, 21502665), (9, 19113480), (10, 17202132), (12, 14335110), (15, 11468088), (18, 9556740), (20, 8601066), (24, 7167555), (27, 6371160), (30, 5734044), (36, 4778370), (40, 4300533), (45, 3822696), (54, 3185580), (60, 2867022), (72, 2389185), (81, 2123720), (90, 1911348), (108, 1592790), (120, 1433511), (135, 1274232), (162, 1061860), (180, 955674), (216, 796395), (270, 637116), (324, 530930), (360, 477837), (405, 424744), (540, 318558), (648, 265465), (810, 212372), (1080, 159279), (1620, 106186), (3240, 53093)]

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