About the Number

81378330

81378329 ← → 81378331

2進数表記:100110110011011110000011010

漢数字表記:八千百三十七万八千三百三十

素因数分解:

2 1 × 3 1 × 5 1 × 11 1 × 19 1 × 12979 1

素因数の和:13019
約数の個数: 64
約数和(自身を含む): 224294400
約数和(自身を除く): 142916070

約数列:
[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 33, 38, 55, 57, 66, 95, 110, 114, 165, 190, 209, 285, 330, 418, 570, 627, 1045, 1254, 2090, 3135, 6270, 12979, 25958, 38937, 64895, 77874, 129790, 142769, 194685, 246601, 285538, 389370, 428307, 493202, 713845, 739803, 856614, 1233005, 1427690, 1479606, 2141535, 2466010, 2712611, 3699015, 4283070, 5425222, 7398030, 8137833, 13563055, 16275666, 27126110, 40689165, 81378330]

約数ペア:
[(1, 81378330), (2, 40689165), (3, 27126110), (5, 16275666), (6, 13563055), (10, 8137833), (11, 7398030), (15, 5425222), (19, 4283070), (22, 3699015), (30, 2712611), (33, 2466010), (38, 2141535), (55, 1479606), (57, 1427690), (66, 1233005), (95, 856614), (110, 739803), (114, 713845), (165, 493202), (190, 428307), (209, 389370), (285, 285538), (330, 246601), (418, 194685), (570, 142769), (627, 129790), (1045, 77874), (1254, 64895), (2090, 38937), (3135, 25958), (6270, 12979)]

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