About the Number

138681072

138681071 ← → 138681073

2進数表記:1000010001000001101011110000

漢数字表記:一億三千八百六十八万千七十二

素因数分解:

2 4 × 3 5 × 53 1 × 673 1

素因数の和:749
約数の個数: 120
約数和(自身を含む): 410692464
約数和(自身を除く): 272011392

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 53, 54, 72, 81, 106, 108, 144, 159, 162, 212, 216, 243, 318, 324, 424, 432, 477, 486, 636, 648, 673, 848, 954, 972, 1272, 1296, 1346, 1431, 1908, 1944, 2019, 2544, 2692, 2862, 3816, 3888, 4038, 4293, 5384, 5724, 6057, 7632, 8076, 8586, 10768, 11448, 12114, 12879, 16152, 17172, 18171, 22896, 24228, 25758, 32304, 34344, 35669, 36342, 48456, 51516, 54513, 68688, 71338, 72684, 96912, 103032, 107007, 109026, 142676, 145368, 163539, 206064, 214014, 218052, 285352, 290736, 321021, 327078, 428028, 436104, 570704, 642042, 654156, 856056, 872208, 963063, 1284084, 1308312, 1712112, 1926126, 2568168, 2616624, 2889189, 3852252, 5136336, 5778378, 7704504, 8667567, 11556756, 15409008, 17335134, 23113512, 34670268, 46227024, 69340536, 138681072]

約数ペア:
[(1, 138681072), (2, 69340536), (3, 46227024), (4, 34670268), (6, 23113512), (8, 17335134), (9, 15409008), (12, 11556756), (16, 8667567), (18, 7704504), (24, 5778378), (27, 5136336), (36, 3852252), (48, 2889189), (53, 2616624), (54, 2568168), (72, 1926126), (81, 1712112), (106, 1308312), (108, 1284084), (144, 963063), (159, 872208), (162, 856056), (212, 654156), (216, 642042), (243, 570704), (318, 436104), (324, 428028), (424, 327078), (432, 321021), (477, 290736), (486, 285352), (636, 218052), (648, 214014), (673, 206064), (848, 163539), (954, 145368), (972, 142676), (1272, 109026), (1296, 107007), (1346, 103032), (1431, 96912), (1908, 72684), (1944, 71338), (2019, 68688), (2544, 54513), (2692, 51516), (2862, 48456), (3816, 36342), (3888, 35669), (4038, 34344), (4293, 32304), (5384, 25758), (5724, 24228), (6057, 22896), (7632, 18171), (8076, 17172), (8586, 16152), (10768, 12879), (11448, 12114)]

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