About the Number

30879680

30879679 ← → 30879681

2進数表記:1110101110010111111000000

漢数字表記:三千八十七万九千六百八十

素因数分解:

2 6 × 5 1 × 13 2 × 571 1

素因数の和:614
約数の個数: 84
約数和(自身を含む): 79763112
約数和(自身を除く): 48883432

約数列:
[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 169, 208, 260, 320, 338, 416, 520, 571, 676, 832, 845, 1040, 1142, 1352, 1690, 2080, 2284, 2704, 2855, 3380, 4160, 4568, 5408, 5710, 6760, 7423, 9136, 10816, 11420, 13520, 14846, 18272, 22840, 27040, 29692, 36544, 37115, 45680, 54080, 59384, 74230, 91360, 96499, 118768, 148460, 182720, 192998, 237536, 296920, 385996, 475072, 482495, 593840, 771992, 964990, 1187680, 1543984, 1929980, 2375360, 3087968, 3859960, 6175936, 7719920, 15439840, 30879680]

約数ペア:
[(1, 30879680), (2, 15439840), (4, 7719920), (5, 6175936), (8, 3859960), (10, 3087968), (13, 2375360), (16, 1929980), (20, 1543984), (26, 1187680), (32, 964990), (40, 771992), (52, 593840), (64, 482495), (65, 475072), (80, 385996), (104, 296920), (130, 237536), (160, 192998), (169, 182720), (208, 148460), (260, 118768), (320, 96499), (338, 91360), (416, 74230), (520, 59384), (571, 54080), (676, 45680), (832, 37115), (845, 36544), (1040, 29692), (1142, 27040), (1352, 22840), (1690, 18272), (2080, 14846), (2284, 13520), (2704, 11420), (2855, 10816), (3380, 9136), (4160, 7423), (4568, 6760), (5408, 5710)]

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