About the Number

120681984

120681983 ← → 120681985

2進数表記:111001100010111011000000000

漢数字表記:一億二千六十八万千九百八十四

素因数分解:

2 9 × 3 1 × 78569 1

素因数の和:78590
約数の個数: 40
約数和(自身を含む): 321508440
約数和(自身を除く): 200826456

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 78569, 157138, 235707, 314276, 471414, 628552, 942828, 1257104, 1885656, 2514208, 3771312, 5028416, 7542624, 10056832, 15085248, 20113664, 30170496, 40227328, 60340992, 120681984]

約数ペア:
[(1, 120681984), (2, 60340992), (3, 40227328), (4, 30170496), (6, 20113664), (8, 15085248), (12, 10056832), (16, 7542624), (24, 5028416), (32, 3771312), (48, 2514208), (64, 1885656), (96, 1257104), (128, 942828), (192, 628552), (256, 471414), (384, 314276), (512, 235707), (768, 157138), (1536, 78569)]

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