About the Number

1272157065

1272157064 ← → 1272157066

2進数表記:1001011110100111001001110001001

漢数字表記:十二億七千二百十五万七千六十五

素因数分解:

3 2 × 5 1 × 19 1 × 29 1 × 51307 1

素因数の和:51366
約数の個数: 48
約数和(自身を含む): 2401214400
約数和(自身を除く): 1129057335

約数列:
[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 95, 145, 171, 261, 285, 435, 551, 855, 1305, 1653, 2755, 4959, 8265, 24795, 51307, 153921, 256535, 461763, 769605, 974833, 1487903, 2308815, 2924499, 4463709, 4874165, 7439515, 8773497, 13391127, 14622495, 22318545, 28270157, 43867485, 66955635, 84810471, 141350785, 254431413, 424052355, 1272157065]

約数ペア:
[(1, 1272157065), (3, 424052355), (5, 254431413), (9, 141350785), (15, 84810471), (19, 66955635), (29, 43867485), (45, 28270157), (57, 22318545), (87, 14622495), (95, 13391127), (145, 8773497), (171, 7439515), (261, 4874165), (285, 4463709), (435, 2924499), (551, 2308815), (855, 1487903), (1305, 974833), (1653, 769605), (2755, 461763), (4959, 256535), (8265, 153921), (24795, 51307)]

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