About the Number

121466640

121466639 ← → 121466641

2進数表記:111001111010110111100010000

漢数字表記:一億二千百四十六万六千六百四十

素因数分解:

2 4 × 3 1 × 5 1 × 101 1 × 5011 1

素因数の和:5128
約数の個数: 80
約数和(自身を含む): 380350656
約数和(自身を除く): 258884016

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 101, 120, 202, 240, 303, 404, 505, 606, 808, 1010, 1212, 1515, 1616, 2020, 2424, 3030, 4040, 4848, 5011, 6060, 8080, 10022, 12120, 15033, 20044, 24240, 25055, 30066, 40088, 50110, 60132, 75165, 80176, 100220, 120264, 150330, 200440, 240528, 300660, 400880, 506111, 601320, 1012222, 1202640, 1518333, 2024444, 2530555, 3036666, 4048888, 5061110, 6073332, 7591665, 8097776, 10122220, 12146664, 15183330, 20244440, 24293328, 30366660, 40488880, 60733320, 121466640]

約数ペア:
[(1, 121466640), (2, 60733320), (3, 40488880), (4, 30366660), (5, 24293328), (6, 20244440), (8, 15183330), (10, 12146664), (12, 10122220), (15, 8097776), (16, 7591665), (20, 6073332), (24, 5061110), (30, 4048888), (40, 3036666), (48, 2530555), (60, 2024444), (80, 1518333), (101, 1202640), (120, 1012222), (202, 601320), (240, 506111), (303, 400880), (404, 300660), (505, 240528), (606, 200440), (808, 150330), (1010, 120264), (1212, 100220), (1515, 80176), (1616, 75165), (2020, 60132), (2424, 50110), (3030, 40088), (4040, 30066), (4848, 25055), (5011, 24240), (6060, 20044), (8080, 15033), (10022, 12120)]

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