About the Number

31322880

31322879 ← → 31322881

2進数表記:1110111011111001100000000

漢数字表記:三千百三十二万二千八百八十

素因数分解:

2 8 × 3 2 × 5 1 × 2719 1

素因数の和:2746
約数の個数: 108
約数和(自身を含む): 108413760
約数和(自身を除く): 77090880

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2719, 2880, 3840, 5438, 5760, 8157, 10876, 11520, 13595, 16314, 21752, 24471, 27190, 32628, 40785, 43504, 48942, 54380, 65256, 81570, 87008, 97884, 108760, 122355, 130512, 163140, 174016, 195768, 217520, 244710, 261024, 326280, 348032, 391536, 435040, 489420, 522048, 652560, 696064, 783072, 870080, 978840, 1044096, 1305120, 1566144, 1740160, 1957680, 2088192, 2610240, 3132288, 3480320, 3915360, 5220480, 6264576, 7830720, 10440960, 15661440, 31322880]

約数ペア:
[(1, 31322880), (2, 15661440), (3, 10440960), (4, 7830720), (5, 6264576), (6, 5220480), (8, 3915360), (9, 3480320), (10, 3132288), (12, 2610240), (15, 2088192), (16, 1957680), (18, 1740160), (20, 1566144), (24, 1305120), (30, 1044096), (32, 978840), (36, 870080), (40, 783072), (45, 696064), (48, 652560), (60, 522048), (64, 489420), (72, 435040), (80, 391536), (90, 348032), (96, 326280), (120, 261024), (128, 244710), (144, 217520), (160, 195768), (180, 174016), (192, 163140), (240, 130512), (256, 122355), (288, 108760), (320, 97884), (360, 87008), (384, 81570), (480, 65256), (576, 54380), (640, 48942), (720, 43504), (768, 40785), (960, 32628), (1152, 27190), (1280, 24471), (1440, 21752), (1920, 16314), (2304, 13595), (2719, 11520), (2880, 10876), (3840, 8157), (5438, 5760)]

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