About the Number

120990072

120990071 ← → 120990073

2進数表記:111001101100010100101111000

漢数字表記:一億二千九十九万七十二

素因数分解:

2 3 × 3 1 × 7 1 × 720179 1

素因数の和:720195
約数の個数: 32
約数和(自身を含む): 345686400
約数和(自身を除く): 224696328

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 720179, 1440358, 2160537, 2880716, 4321074, 5041253, 5761432, 8642148, 10082506, 15123759, 17284296, 20165012, 30247518, 40330024, 60495036, 120990072]

約数ペア:
[(1, 120990072), (2, 60495036), (3, 40330024), (4, 30247518), (6, 20165012), (7, 17284296), (8, 15123759), (12, 10082506), (14, 8642148), (21, 5761432), (24, 5041253), (28, 4321074), (42, 2880716), (56, 2160537), (84, 1440358), (168, 720179)]

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