About the Number

131192640

131192639 ← → 131192641

2進数表記:111110100011101011101000000

漢数字表記:一億三千百十九万二千六百四十

素因数分解:

2 6 × 3 2 × 5 1 × 45553 1

素因数の和:45576
約数の個数: 84
約数和(自身を含む): 451257924
約数和(自身を除く): 320065284

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, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 45553, 91106, 136659, 182212, 227765, 273318, 364424, 409977, 455530, 546636, 683295, 728848, 819954, 911060, 1093272, 1366590, 1457696, 1639908, 1822120, 2049885, 2186544, 2733180, 2915392, 3279816, 3644240, 4099770, 4373088, 5466360, 6559632, 7288480, 8199540, 8746176, 10932720, 13119264, 14576960, 16399080, 21865440, 26238528, 32798160, 43730880, 65596320, 131192640]

約数ペア:
[(1, 131192640), (2, 65596320), (3, 43730880), (4, 32798160), (5, 26238528), (6, 21865440), (8, 16399080), (9, 14576960), (10, 13119264), (12, 10932720), (15, 8746176), (16, 8199540), (18, 7288480), (20, 6559632), (24, 5466360), (30, 4373088), (32, 4099770), (36, 3644240), (40, 3279816), (45, 2915392), (48, 2733180), (60, 2186544), (64, 2049885), (72, 1822120), (80, 1639908), (90, 1457696), (96, 1366590), (120, 1093272), (144, 911060), (160, 819954), (180, 728848), (192, 683295), (240, 546636), (288, 455530), (320, 409977), (360, 364424), (480, 273318), (576, 227765), (720, 182212), (960, 136659), (1440, 91106), (2880, 45553)]

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