About the Number

30123090

30123089 ← → 30123091

2進数表記:1110010111010010001010010

漢数字表記:三千十二万三千九十

素因数分解:

2 1 × 3 4 × 5 1 × 37189 1

素因数の和:37208
約数の個数: 40
約数和(自身を含む): 80999820
約数和(自身を除く): 50876730

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 37189, 74378, 111567, 185945, 223134, 334701, 371890, 557835, 669402, 1004103, 1115670, 1673505, 2008206, 3012309, 3347010, 5020515, 6024618, 10041030, 15061545, 30123090]

約数ペア:
[(1, 30123090), (2, 15061545), (3, 10041030), (5, 6024618), (6, 5020515), (9, 3347010), (10, 3012309), (15, 2008206), (18, 1673505), (27, 1115670), (30, 1004103), (45, 669402), (54, 557835), (81, 371890), (90, 334701), (135, 223134), (162, 185945), (270, 111567), (405, 74378), (810, 37189)]

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