About the Number

120810105

120810104 ← → 120810106

2進数表記:111001100110110101001111001

漢数字表記:一億二千八十一万百五

素因数分解:

3 2 × 5 1 × 13 1 × 97 1 × 2129 1

素因数の和:2250
約数の個数: 48
約数和(自身を含む): 227944080
約数和(自身を除く): 107133975

約数列:
[1, 3, 5, 9, 13, 15, 39, 45, 65, 97, 117, 195, 291, 485, 585, 873, 1261, 1455, 2129, 3783, 4365, 6305, 6387, 10645, 11349, 18915, 19161, 27677, 31935, 56745, 83031, 95805, 138385, 206513, 249093, 415155, 619539, 1032565, 1245465, 1858617, 2684669, 3097695, 8054007, 9293085, 13423345, 24162021, 40270035, 120810105]

約数ペア:
[(1, 120810105), (3, 40270035), (5, 24162021), (9, 13423345), (13, 9293085), (15, 8054007), (39, 3097695), (45, 2684669), (65, 1858617), (97, 1245465), (117, 1032565), (195, 619539), (291, 415155), (485, 249093), (585, 206513), (873, 138385), (1261, 95805), (1455, 83031), (2129, 56745), (3783, 31935), (4365, 27677), (6305, 19161), (6387, 18915), (10645, 11349)]

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