About the Number

30709980

30709979 ← → 30709981

2進数表記:1110101001001100011011100

漢数字表記:三千七十万九千九百八十

素因数分解:

2 2 × 3 2 × 5 1 × 7 1 × 24373 1

素因数の和:24395
約数の個数: 72
約数和(自身を含む): 106465632
約数和(自身を除く): 75755652

約数列:
[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 24373, 48746, 73119, 97492, 121865, 146238, 170611, 219357, 243730, 292476, 341222, 365595, 438714, 487460, 511833, 682444, 731190, 853055, 877428, 1023666, 1096785, 1462380, 1535499, 1706110, 2047332, 2193570, 2559165, 3070998, 3412220, 4387140, 5118330, 6141996, 7677495, 10236660, 15354990, 30709980]

約数ペア:
[(1, 30709980), (2, 15354990), (3, 10236660), (4, 7677495), (5, 6141996), (6, 5118330), (7, 4387140), (9, 3412220), (10, 3070998), (12, 2559165), (14, 2193570), (15, 2047332), (18, 1706110), (20, 1535499), (21, 1462380), (28, 1096785), (30, 1023666), (35, 877428), (36, 853055), (42, 731190), (45, 682444), (60, 511833), (63, 487460), (70, 438714), (84, 365595), (90, 341222), (105, 292476), (126, 243730), (140, 219357), (180, 170611), (210, 146238), (252, 121865), (315, 97492), (420, 73119), (630, 48746), (1260, 24373)]

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