16805220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1619}}^1$

素因数の和:1804

約数の個数: 48

約数和(自身を含む): 47355840

約数和(自身を除く): 30550620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 173, 346, 519, 692, 865, 1038, 1619, 1730, 2076, 2595, 3238, 3460, 4857, 5190, 6476, 8095, 9714, 10380, 16190, 19428, 24285, 32380, 48570, 97140, 280087, 560174, 840261, 1120348, 1400435, 1680522, 2800870, 3361044, 4201305, 5601740, 8402610, 16805220]

約数ペア:

[(1, 16805220), (2, 8402610), (3, 5601740), (4, 4201305), (5, 3361044), (6, 2800870), (10, 1680522), (12, 1400435), (15, 1120348), (20, 840261), (30, 560174), (60, 280087), (173, 97140), (346, 48570), (519, 32380), (692, 24285), (865, 19428), (1038, 16190), (1619, 10380), (1730, 9714), (2076, 8095), (2595, 6476), (3238, 5190), (3460, 4857)]