About the Number

1297980

1297979 ← → 1297981

2進数表記:100111100111000111100

漢数字表記:百二十九万七千九百八十

素因数分解:

2 2 × 3 2 × 5 1 × 7211 1

素因数の和:7226
約数の個数: 36
約数和(自身を含む): 3937752
約数和(自身を除く): 2639772

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 7211, 14422, 21633, 28844, 36055, 43266, 64899, 72110, 86532, 108165, 129798, 144220, 216330, 259596, 324495, 432660, 648990, 1297980]

約数ペア:
[(1, 1297980), (2, 648990), (3, 432660), (4, 324495), (5, 259596), (6, 216330), (9, 144220), (10, 129798), (12, 108165), (15, 86532), (18, 72110), (20, 64899), (30, 43266), (36, 36055), (45, 28844), (60, 21633), (90, 14422), (180, 7211)]

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