About the Number

2012640

2012639 ← → 2012641

2進数表記:111101011010111100000

漢数字表記:二百一万二千六百四十

素因数分解:

2 5 × 3 1 × 5 1 × 7 1 × 599 1

素因数の和:624
約数の個数: 96
約数和(自身を含む): 7257600
約数和(自身を除く): 5244960

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 599, 672, 840, 1120, 1198, 1680, 1797, 2396, 2995, 3360, 3594, 4193, 4792, 5990, 7188, 8386, 8985, 9584, 11980, 12579, 14376, 16772, 17970, 19168, 20965, 23960, 25158, 28752, 33544, 35940, 41930, 47920, 50316, 57504, 62895, 67088, 71880, 83860, 95840, 100632, 125790, 134176, 143760, 167720, 201264, 251580, 287520, 335440, 402528, 503160, 670880, 1006320, 2012640]

約数ペア:
[(1, 2012640), (2, 1006320), (3, 670880), (4, 503160), (5, 402528), (6, 335440), (7, 287520), (8, 251580), (10, 201264), (12, 167720), (14, 143760), (15, 134176), (16, 125790), (20, 100632), (21, 95840), (24, 83860), (28, 71880), (30, 67088), (32, 62895), (35, 57504), (40, 50316), (42, 47920), (48, 41930), (56, 35940), (60, 33544), (70, 28752), (80, 25158), (84, 23960), (96, 20965), (105, 19168), (112, 17970), (120, 16772), (140, 14376), (160, 12579), (168, 11980), (210, 9584), (224, 8985), (240, 8386), (280, 7188), (336, 5990), (420, 4792), (480, 4193), (560, 3594), (599, 3360), (672, 2995), (840, 2396), (1120, 1797), (1198, 1680)]

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