About the Number

131289120

131289119 ← → 131289121

2進数表記:111110100110101000000100000

漢数字表記:一億三千百二十八万九千百二十

素因数分解:

2 5 × 3 3 × 5 1 × 30391 1

素因数の和:30415
約数の個数: 96
約数和(自身を含む): 459527040
約数和(自身を除く): 328237920

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, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 30391, 60782, 91173, 121564, 151955, 182346, 243128, 273519, 303910, 364692, 455865, 486256, 547038, 607820, 729384, 820557, 911730, 972512, 1094076, 1215640, 1367595, 1458768, 1641114, 1823460, 2188152, 2431280, 2735190, 2917536, 3282228, 3646920, 4102785, 4376304, 4862560, 5470380, 6564456, 7293840, 8205570, 8752608, 10940760, 13128912, 14587680, 16411140, 21881520, 26257824, 32822280, 43763040, 65644560, 131289120]

約数ペア:
[(1, 131289120), (2, 65644560), (3, 43763040), (4, 32822280), (5, 26257824), (6, 21881520), (8, 16411140), (9, 14587680), (10, 13128912), (12, 10940760), (15, 8752608), (16, 8205570), (18, 7293840), (20, 6564456), (24, 5470380), (27, 4862560), (30, 4376304), (32, 4102785), (36, 3646920), (40, 3282228), (45, 2917536), (48, 2735190), (54, 2431280), (60, 2188152), (72, 1823460), (80, 1641114), (90, 1458768), (96, 1367595), (108, 1215640), (120, 1094076), (135, 972512), (144, 911730), (160, 820557), (180, 729384), (216, 607820), (240, 547038), (270, 486256), (288, 455865), (360, 364692), (432, 303910), (480, 273519), (540, 243128), (720, 182346), (864, 151955), (1080, 121564), (1440, 91173), (2160, 60782), (4320, 30391)]

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