About the Number

128172960

128172959 ← → 128172961

2進数表記:111101000111100001110100000

漢数字表記:一億二千八百十七万二千九百六十

素因数分解:

2 5 × 3 2 × 5 1 × 89009 1

素因数の和:89030
約数の個数: 72
約数和(自身を含む): 437395140
約数和(自身を除く): 309222180

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 89009, 178018, 267027, 356036, 445045, 534054, 712072, 801081, 890090, 1068108, 1335135, 1424144, 1602162, 1780180, 2136216, 2670270, 2848288, 3204324, 3560360, 4005405, 4272432, 5340540, 6408648, 7120720, 8010810, 8544864, 10681080, 12817296, 14241440, 16021620, 21362160, 25634592, 32043240, 42724320, 64086480, 128172960]

約数ペア:
[(1, 128172960), (2, 64086480), (3, 42724320), (4, 32043240), (5, 25634592), (6, 21362160), (8, 16021620), (9, 14241440), (10, 12817296), (12, 10681080), (15, 8544864), (16, 8010810), (18, 7120720), (20, 6408648), (24, 5340540), (30, 4272432), (32, 4005405), (36, 3560360), (40, 3204324), (45, 2848288), (48, 2670270), (60, 2136216), (72, 1780180), (80, 1602162), (90, 1424144), (96, 1335135), (120, 1068108), (144, 890090), (160, 801081), (180, 712072), (240, 534054), (288, 445045), (360, 356036), (480, 267027), (720, 178018), (1440, 89009)]

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