About the Number

1921080

1921079 ← → 1921081

2進数表記:111010101000000111000

漢数字表記:百九十二万千八十

素因数分解:

2 3 × 3 1 × 5 1 × 7 1 × 2287 1

素因数の和:2308
約数の個数: 64
約数和(自身を含む): 6589440
約数和(自身を除く): 4668360

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2287, 4574, 6861, 9148, 11435, 13722, 16009, 18296, 22870, 27444, 32018, 34305, 45740, 48027, 54888, 64036, 68610, 80045, 91480, 96054, 128072, 137220, 160090, 192108, 240135, 274440, 320180, 384216, 480270, 640360, 960540, 1921080]

約数ペア:
[(1, 1921080), (2, 960540), (3, 640360), (4, 480270), (5, 384216), (6, 320180), (7, 274440), (8, 240135), (10, 192108), (12, 160090), (14, 137220), (15, 128072), (20, 96054), (21, 91480), (24, 80045), (28, 68610), (30, 64036), (35, 54888), (40, 48027), (42, 45740), (56, 34305), (60, 32018), (70, 27444), (84, 22870), (105, 18296), (120, 16009), (140, 13722), (168, 11435), (210, 9148), (280, 6861), (420, 4574), (840, 2287)]

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