About the Number

131872320

131872319 ← → 131872321

2進数表記:111110111000011011001000000

漢数字表記:一億三千百八十七万二千三百二十

素因数分解:

2 6 × 3 3 × 5 1 × 15263 1

素因数の和:15289
約数の個数: 112
約数和(自身を含む): 465246720
約数和(自身を除く): 333374400

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, 4320, 8640, 15263, 30526, 45789, 61052, 76315, 91578, 122104, 137367, 152630, 183156, 228945, 244208, 274734, 305260, 366312, 412101, 457890, 488416, 549468, 610520, 686835, 732624, 824202, 915780, 976832, 1098936, 1221040, 1373670, 1465248, 1648404, 1831560, 2060505, 2197872, 2442080, 2747340, 2930496, 3296808, 3663120, 4121010, 4395744, 4884160, 5494680, 6593616, 7326240, 8242020, 8791488, 10989360, 13187232, 14652480, 16484040, 21978720, 26374464, 32968080, 43957440, 65936160, 131872320]

約数ペア:
[(1, 131872320), (2, 65936160), (3, 43957440), (4, 32968080), (5, 26374464), (6, 21978720), (8, 16484040), (9, 14652480), (10, 13187232), (12, 10989360), (15, 8791488), (16, 8242020), (18, 7326240), (20, 6593616), (24, 5494680), (27, 4884160), (30, 4395744), (32, 4121010), (36, 3663120), (40, 3296808), (45, 2930496), (48, 2747340), (54, 2442080), (60, 2197872), (64, 2060505), (72, 1831560), (80, 1648404), (90, 1465248), (96, 1373670), (108, 1221040), (120, 1098936), (135, 976832), (144, 915780), (160, 824202), (180, 732624), (192, 686835), (216, 610520), (240, 549468), (270, 488416), (288, 457890), (320, 412101), (360, 366312), (432, 305260), (480, 274734), (540, 244208), (576, 228945), (720, 183156), (864, 152630), (960, 137367), (1080, 122104), (1440, 91578), (1728, 76315), (2160, 61052), (2880, 45789), (4320, 30526), (8640, 15263)]

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