About the Number

12841680

12841679 ← → 12841681

2進数表記:110000111111001011010000

漢数字表記:千二百八十四万千六百八十

素因数分解:

2 4 × 3 1 × 5 1 × 53507 1

素因数の和:53523
約数の個数: 40
約数和(自身を含む): 39809952
約数和(自身を除く): 26968272

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 53507, 107014, 160521, 214028, 267535, 321042, 428056, 535070, 642084, 802605, 856112, 1070140, 1284168, 1605210, 2140280, 2568336, 3210420, 4280560, 6420840, 12841680]

約数ペア:
[(1, 12841680), (2, 6420840), (3, 4280560), (4, 3210420), (5, 2568336), (6, 2140280), (8, 1605210), (10, 1284168), (12, 1070140), (15, 856112), (16, 802605), (20, 642084), (24, 535070), (30, 428056), (40, 321042), (48, 267535), (60, 214028), (80, 160521), (120, 107014), (240, 53507)]

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