2721742240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{347161}}^1$

素因数の和:347190

約数の個数: 72

約数和(自身を含む): 7479952452

約数和(自身を除く): 4758210212

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 347161, 694322, 1388644, 1735805, 2430127, 2777288, 3471610, 4860254, 5554576, 6943220, 9720508, 11109152, 12150635, 13886440, 17010889, 19441016, 24301270, 27772880, 34021778, 38882032, 48602540, 55545760, 68043556, 77764064, 85054445, 97205080, 136087112, 170108890, 194410160, 272174224, 340217780, 388820320, 544348448, 680435560, 1360871120, 2721742240]

約数ペア:

[(1, 2721742240), (2, 1360871120), (4, 680435560), (5, 544348448), (7, 388820320), (8, 340217780), (10, 272174224), (14, 194410160), (16, 170108890), (20, 136087112), (28, 97205080), (32, 85054445), (35, 77764064), (40, 68043556), (49, 55545760), (56, 48602540), (70, 38882032), (80, 34021778), (98, 27772880), (112, 24301270), (140, 19441016), (160, 17010889), (196, 13886440), (224, 12150635), (245, 11109152), (280, 9720508), (392, 6943220), (490, 5554576), (560, 4860254), (784, 3471610), (980, 2777288), (1120, 2430127), (1568, 1735805), (1960, 1388644), (3920, 694322), (7840, 347161)]