About the Number

120923280

120923279 ← → 120923281

2進数表記:111001101010010010010010000

漢数字表記:一億二千九十二万三千二百八十

素因数分解:

2 4 × 3 4 × 5 1 × 18661 1

素因数の和:18686
約数の個数: 100
約数和(自身を含む): 420006972
約数和(自身を除く): 299083692

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 18661, 37322, 55983, 74644, 93305, 111966, 149288, 167949, 186610, 223932, 279915, 298576, 335898, 373220, 447864, 503847, 559830, 671796, 746440, 839745, 895728, 1007694, 1119660, 1343592, 1492880, 1511541, 1679490, 2015388, 2239320, 2519235, 2687184, 3023082, 3358980, 4030776, 4478640, 5038470, 6046164, 6717960, 7557705, 8061552, 10076940, 12092328, 13435920, 15115410, 20153880, 24184656, 30230820, 40307760, 60461640, 120923280]

約数ペア:
[(1, 120923280), (2, 60461640), (3, 40307760), (4, 30230820), (5, 24184656), (6, 20153880), (8, 15115410), (9, 13435920), (10, 12092328), (12, 10076940), (15, 8061552), (16, 7557705), (18, 6717960), (20, 6046164), (24, 5038470), (27, 4478640), (30, 4030776), (36, 3358980), (40, 3023082), (45, 2687184), (48, 2519235), (54, 2239320), (60, 2015388), (72, 1679490), (80, 1511541), (81, 1492880), (90, 1343592), (108, 1119660), (120, 1007694), (135, 895728), (144, 839745), (162, 746440), (180, 671796), (216, 559830), (240, 503847), (270, 447864), (324, 373220), (360, 335898), (405, 298576), (432, 279915), (540, 223932), (648, 186610), (720, 167949), (810, 149288), (1080, 111966), (1296, 93305), (1620, 74644), (2160, 55983), (3240, 37322), (6480, 18661)]

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