About the Number

72682020

72682019 ← → 72682021

2進数表記:100010101010000101000100100

漢数字表記:七千二百六十八万二千二十

素因数分解:

2 2 × 3 2 × 5 1 × 233 1 × 1733 1

素因数の和:1981
約数の個数: 72
約数和(自身を含む): 221542776
約数和(自身を除く): 148860756

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 233, 466, 699, 932, 1165, 1398, 1733, 2097, 2330, 2796, 3466, 3495, 4194, 4660, 5199, 6932, 6990, 8388, 8665, 10398, 10485, 13980, 15597, 17330, 20796, 20970, 25995, 31194, 34660, 41940, 51990, 62388, 77985, 103980, 155970, 311940, 403789, 807578, 1211367, 1615156, 2018945, 2422734, 3634101, 4037890, 4845468, 6056835, 7268202, 8075780, 12113670, 14536404, 18170505, 24227340, 36341010, 72682020]

約数ペア:
[(1, 72682020), (2, 36341010), (3, 24227340), (4, 18170505), (5, 14536404), (6, 12113670), (9, 8075780), (10, 7268202), (12, 6056835), (15, 4845468), (18, 4037890), (20, 3634101), (30, 2422734), (36, 2018945), (45, 1615156), (60, 1211367), (90, 807578), (180, 403789), (233, 311940), (466, 155970), (699, 103980), (932, 77985), (1165, 62388), (1398, 51990), (1733, 41940), (2097, 34660), (2330, 31194), (2796, 25995), (3466, 20970), (3495, 20796), (4194, 17330), (4660, 15597), (5199, 13980), (6932, 10485), (6990, 10398), (8388, 8665)]

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