About the Number

121684140

121684139 ← → 121684141

2進数表記:111010000001100000010101100

漢数字表記:一億二千百六十八万四千百四十

素因数分解:

2 2 × 3 3 × 5 1 × 225341 1

素因数の和:225359
約数の個数: 48
約数和(自身を含む): 378574560
約数和(自身を除く): 256890420

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 225341, 450682, 676023, 901364, 1126705, 1352046, 2028069, 2253410, 2704092, 3380115, 4056138, 4506820, 6084207, 6760230, 8112276, 10140345, 12168414, 13520460, 20280690, 24336828, 30421035, 40561380, 60842070, 121684140]

約数ペア:
[(1, 121684140), (2, 60842070), (3, 40561380), (4, 30421035), (5, 24336828), (6, 20280690), (9, 13520460), (10, 12168414), (12, 10140345), (15, 8112276), (18, 6760230), (20, 6084207), (27, 4506820), (30, 4056138), (36, 3380115), (45, 2704092), (54, 2253410), (60, 2028069), (90, 1352046), (108, 1126705), (135, 901364), (180, 676023), (270, 450682), (540, 225341)]

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