About the Number

31890240

31890239 ← → 31890241

2進数表記:1111001101001101101000000

漢数字表記:三千百八十九万二百四十

素因数分解:

2 6 × 3 3 × 5 1 × 3691 1

素因数の和:3717
約数の個数: 112
約数和(自身を含む): 112532160
約数和(自身を除く): 80641920

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 3691, 4320, 7382, 8640, 11073, 14764, 18455, 22146, 29528, 33219, 36910, 44292, 55365, 59056, 66438, 73820, 88584, 99657, 110730, 118112, 132876, 147640, 166095, 177168, 199314, 221460, 236224, 265752, 295280, 332190, 354336, 398628, 442920, 498285, 531504, 590560, 664380, 708672, 797256, 885840, 996570, 1063008, 1181120, 1328760, 1594512, 1771680, 1993140, 2126016, 2657520, 3189024, 3543360, 3986280, 5315040, 6378048, 7972560, 10630080, 15945120, 31890240]

約数ペア:
[(1, 31890240), (2, 15945120), (3, 10630080), (4, 7972560), (5, 6378048), (6, 5315040), (8, 3986280), (9, 3543360), (10, 3189024), (12, 2657520), (15, 2126016), (16, 1993140), (18, 1771680), (20, 1594512), (24, 1328760), (27, 1181120), (30, 1063008), (32, 996570), (36, 885840), (40, 797256), (45, 708672), (48, 664380), (54, 590560), (60, 531504), (64, 498285), (72, 442920), (80, 398628), (90, 354336), (96, 332190), (108, 295280), (120, 265752), (135, 236224), (144, 221460), (160, 199314), (180, 177168), (192, 166095), (216, 147640), (240, 132876), (270, 118112), (288, 110730), (320, 99657), (360, 88584), (432, 73820), (480, 66438), (540, 59056), (576, 55365), (720, 44292), (864, 36910), (960, 33219), (1080, 29528), (1440, 22146), (1728, 18455), (2160, 14764), (2880, 11073), (3691, 8640), (4320, 7382)]

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