64444660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{479}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 160151040

約数和(自身を除く): 95706380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 479, 620, 868, 958, 961, 1085, 1916, 1922, 2170, 2395, 3353, 3844, 4340, 4790, 4805, 6706, 6727, 9580, 9610, 13412, 13454, 14849, 16765, 19220, 26908, 29698, 33530, 33635, 59396, 67060, 67270, 74245, 103943, 134540, 148490, 207886, 296980, 415772, 460319, 519715, 920638, 1039430, 1841276, 2078860, 2301595, 3222233, 4603190, 6444466, 9206380, 12888932, 16111165, 32222330, 64444660]

約数ペア:

[(1, 64444660), (2, 32222330), (4, 16111165), (5, 12888932), (7, 9206380), (10, 6444466), (14, 4603190), (20, 3222233), (28, 2301595), (31, 2078860), (35, 1841276), (62, 1039430), (70, 920638), (124, 519715), (140, 460319), (155, 415772), (217, 296980), (310, 207886), (434, 148490), (479, 134540), (620, 103943), (868, 74245), (958, 67270), (961, 67060), (1085, 59396), (1916, 33635), (1922, 33530), (2170, 29698), (2395, 26908), (3353, 19220), (3844, 16765), (4340, 14849), (4790, 13454), (4805, 13412), (6706, 9610), (6727, 9580)]