About the Number

1301280

1301279 ← → 1301281

2進数表記:100111101101100100000

漢数字表記:百三十万千二百八十

素因数分解:

2 5 × 3 1 × 5 1 × 2711 1

素因数の和:2729
約数の個数: 48
約数和(自身を含む): 4100544
約数和(自身を除く): 2799264

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 2711, 5422, 8133, 10844, 13555, 16266, 21688, 27110, 32532, 40665, 43376, 54220, 65064, 81330, 86752, 108440, 130128, 162660, 216880, 260256, 325320, 433760, 650640, 1301280]

約数ペア:
[(1, 1301280), (2, 650640), (3, 433760), (4, 325320), (5, 260256), (6, 216880), (8, 162660), (10, 130128), (12, 108440), (15, 86752), (16, 81330), (20, 65064), (24, 54220), (30, 43376), (32, 40665), (40, 32532), (48, 27110), (60, 21688), (80, 16266), (96, 13555), (120, 10844), (160, 8133), (240, 5422), (480, 2711)]

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