About the Number

681420

681419 ← → 681421

2進数表記:10100110010111001100

漢数字表記:六十八万千四百二十

素因数分解:

2 2 × 3 1 × 5 1 × 41 1 × 277 1

素因数の和:330
約数の個数: 48
約数和(自身を含む): 1961568
約数和(自身を除く): 1280148

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 277, 410, 492, 554, 615, 820, 831, 1108, 1230, 1385, 1662, 2460, 2770, 3324, 4155, 5540, 8310, 11357, 16620, 22714, 34071, 45428, 56785, 68142, 113570, 136284, 170355, 227140, 340710, 681420]

約数ペア:
[(1, 681420), (2, 340710), (3, 227140), (4, 170355), (5, 136284), (6, 113570), (10, 68142), (12, 56785), (15, 45428), (20, 34071), (30, 22714), (41, 16620), (60, 11357), (82, 8310), (123, 5540), (164, 4155), (205, 3324), (246, 2770), (277, 2460), (410, 1662), (492, 1385), (554, 1230), (615, 1108), (820, 831)]

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