About the Number

131029680

131029679 ← → 131029681

2進数表記:111110011110101101010110000

漢数字表記:一億三千百二万九千六百八十

素因数分解:

2 4 × 3 1 × 5 1 × 419 1 × 1303 1

素因数の和:1738
約数の個数: 80
約数和(自身を含む): 407473920
約数和(自身を除く): 276444240

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 419, 838, 1257, 1303, 1676, 2095, 2514, 2606, 3352, 3909, 4190, 5028, 5212, 6285, 6515, 6704, 7818, 8380, 10056, 10424, 12570, 13030, 15636, 16760, 19545, 20112, 20848, 25140, 26060, 31272, 33520, 39090, 50280, 52120, 62544, 78180, 100560, 104240, 156360, 312720, 545957, 1091914, 1637871, 2183828, 2729785, 3275742, 4367656, 5459570, 6551484, 8189355, 8735312, 10919140, 13102968, 16378710, 21838280, 26205936, 32757420, 43676560, 65514840, 131029680]

約数ペア:
[(1, 131029680), (2, 65514840), (3, 43676560), (4, 32757420), (5, 26205936), (6, 21838280), (8, 16378710), (10, 13102968), (12, 10919140), (15, 8735312), (16, 8189355), (20, 6551484), (24, 5459570), (30, 4367656), (40, 3275742), (48, 2729785), (60, 2183828), (80, 1637871), (120, 1091914), (240, 545957), (419, 312720), (838, 156360), (1257, 104240), (1303, 100560), (1676, 78180), (2095, 62544), (2514, 52120), (2606, 50280), (3352, 39090), (3909, 33520), (4190, 31272), (5028, 26060), (5212, 25140), (6285, 20848), (6515, 20112), (6704, 19545), (7818, 16760), (8380, 15636), (10056, 13030), (10424, 12570)]

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