About the Number

1201020240

1201020239 ← → 1201020241

2進数表記:1000111100101100001110101010000

漢数字表記:十二億百二万二百四十

素因数分解:

2 4 × 3 1 × 5 1 × 7 1 × 714893 1

素因数の和:714916
約数の個数: 80
約数和(自身を含む): 4255049088
約数和(自身を除く): 3054028848

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 714893, 1429786, 2144679, 2859572, 3574465, 4289358, 5004251, 5719144, 7148930, 8578716, 10008502, 10723395, 11438288, 14297860, 15012753, 17157432, 20017004, 21446790, 25021255, 28595720, 30025506, 34314864, 40034008, 42893580, 50042510, 57191440, 60051012, 75063765, 80068016, 85787160, 100085020, 120102024, 150127530, 171574320, 200170040, 240204048, 300255060, 400340080, 600510120, 1201020240]

約数ペア:
[(1, 1201020240), (2, 600510120), (3, 400340080), (4, 300255060), (5, 240204048), (6, 200170040), (7, 171574320), (8, 150127530), (10, 120102024), (12, 100085020), (14, 85787160), (15, 80068016), (16, 75063765), (20, 60051012), (21, 57191440), (24, 50042510), (28, 42893580), (30, 40034008), (35, 34314864), (40, 30025506), (42, 28595720), (48, 25021255), (56, 21446790), (60, 20017004), (70, 17157432), (80, 15012753), (84, 14297860), (105, 11438288), (112, 10723395), (120, 10008502), (140, 8578716), (168, 7148930), (210, 5719144), (240, 5004251), (280, 4289358), (336, 3574465), (420, 2859572), (560, 2144679), (840, 1429786), (1680, 714893)]

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