161715070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1559}}^1$

素因数の和:1641

約数の個数: 64

約数和(自身を含む): 339655680

約数和(自身を除く): 177940610

約数列:

[1, 2, 5, 10, 11, 22, 23, 41, 46, 55, 82, 110, 115, 205, 230, 253, 410, 451, 506, 902, 943, 1265, 1559, 1886, 2255, 2530, 3118, 4510, 4715, 7795, 9430, 10373, 15590, 17149, 20746, 34298, 35857, 51865, 63919, 71714, 85745, 103730, 127838, 171490, 179285, 319595, 358570, 394427, 639190, 703109, 788854, 1406218, 1470137, 1972135, 2940274, 3515545, 3944270, 7031090, 7350685, 14701370, 16171507, 32343014, 80857535, 161715070]

約数ペア:

[(1, 161715070), (2, 80857535), (5, 32343014), (10, 16171507), (11, 14701370), (22, 7350685), (23, 7031090), (41, 3944270), (46, 3515545), (55, 2940274), (82, 1972135), (110, 1470137), (115, 1406218), (205, 788854), (230, 703109), (253, 639190), (410, 394427), (451, 358570), (506, 319595), (902, 179285), (943, 171490), (1265, 127838), (1559, 103730), (1886, 85745), (2255, 71714), (2530, 63919), (3118, 51865), (4510, 35857), (4715, 34298), (7795, 20746), (9430, 17149), (10373, 15590)]