About the Number

1980480

1980479 ← → 1980481

2進数表記:111100011100001000000

漢数字表記:百九十八万四百八十

素因数分解:

2 6 × 3 1 × 5 1 × 2063 1

素因数の和:2083
約数の個数: 56
約数和(自身を含む): 6291072
約数和(自身を除く): 4310592

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 2063, 4126, 6189, 8252, 10315, 12378, 16504, 20630, 24756, 30945, 33008, 41260, 49512, 61890, 66016, 82520, 99024, 123780, 132032, 165040, 198048, 247560, 330080, 396096, 495120, 660160, 990240, 1980480]

約数ペア:
[(1, 1980480), (2, 990240), (3, 660160), (4, 495120), (5, 396096), (6, 330080), (8, 247560), (10, 198048), (12, 165040), (15, 132032), (16, 123780), (20, 99024), (24, 82520), (30, 66016), (32, 61890), (40, 49512), (48, 41260), (60, 33008), (64, 30945), (80, 24756), (96, 20630), (120, 16504), (160, 12378), (192, 10315), (240, 8252), (320, 6189), (480, 4126), (960, 2063)]

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