120451840

素因数分解:

$2^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{677}}^1$

素因数の和:837

約数の個数: 72

約数和(自身を含む): 291024720

約数和(自身を除く): 170572880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 556, 640, 677, 695, 1112, 1280, 1354, 1390, 2224, 2708, 2780, 3385, 4448, 5416, 5560, 6770, 8896, 10832, 11120, 13540, 17792, 21664, 22240, 27080, 35584, 43328, 44480, 54160, 86656, 88960, 94103, 108320, 173312, 177920, 188206, 216640, 376412, 433280, 470515, 752824, 866560, 941030, 1505648, 1882060, 3011296, 3764120, 6022592, 7528240, 12045184, 15056480, 24090368, 30112960, 60225920, 120451840]

約数ペア:

[(1, 120451840), (2, 60225920), (4, 30112960), (5, 24090368), (8, 15056480), (10, 12045184), (16, 7528240), (20, 6022592), (32, 3764120), (40, 3011296), (64, 1882060), (80, 1505648), (128, 941030), (139, 866560), (160, 752824), (256, 470515), (278, 433280), (320, 376412), (556, 216640), (640, 188206), (677, 177920), (695, 173312), (1112, 108320), (1280, 94103), (1354, 88960), (1390, 86656), (2224, 54160), (2708, 44480), (2780, 43328), (3385, 35584), (4448, 27080), (5416, 22240), (5560, 21664), (6770, 17792), (8896, 13540), (10832, 11120)]