About the Number

12001260

12001259 ← → 12001261

2進数表記:101101110001111111101100

漢数字表記:千二百万千二百六十

素因数分解:

2 2 × 3 1 × 5 1 × 139 1 × 1439 1

素因数の和:1590
約数の個数: 48
約数和(自身を含む): 33868800
約数和(自身を除く): 21867540

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1439, 1668, 2085, 2780, 2878, 4170, 4317, 5756, 7195, 8340, 8634, 14390, 17268, 21585, 28780, 43170, 86340, 200021, 400042, 600063, 800084, 1000105, 1200126, 2000210, 2400252, 3000315, 4000420, 6000630, 12001260]

約数ペア:
[(1, 12001260), (2, 6000630), (3, 4000420), (4, 3000315), (5, 2400252), (6, 2000210), (10, 1200126), (12, 1000105), (15, 800084), (20, 600063), (30, 400042), (60, 200021), (139, 86340), (278, 43170), (417, 28780), (556, 21585), (695, 17268), (834, 14390), (1390, 8634), (1439, 8340), (1668, 7195), (2085, 5756), (2780, 4317), (2878, 4170)]

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