39893940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{883}}^1$

素因数の和:1149

約数の個数: 72

約数和(自身を含む): 121631328

約数和(自身を除く): 81737388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 883, 1004, 1255, 1506, 1766, 2259, 2510, 2649, 3012, 3532, 3765, 4415, 4518, 5020, 5298, 7530, 7947, 8830, 9036, 10596, 11295, 13245, 15060, 15894, 17660, 22590, 26490, 31788, 39735, 45180, 52980, 79470, 158940, 221633, 443266, 664899, 886532, 1108165, 1329798, 1994697, 2216330, 2659596, 3324495, 3989394, 4432660, 6648990, 7978788, 9973485, 13297980, 19946970, 39893940]

約数ペア:

[(1, 39893940), (2, 19946970), (3, 13297980), (4, 9973485), (5, 7978788), (6, 6648990), (9, 4432660), (10, 3989394), (12, 3324495), (15, 2659596), (18, 2216330), (20, 1994697), (30, 1329798), (36, 1108165), (45, 886532), (60, 664899), (90, 443266), (180, 221633), (251, 158940), (502, 79470), (753, 52980), (883, 45180), (1004, 39735), (1255, 31788), (1506, 26490), (1766, 22590), (2259, 17660), (2510, 15894), (2649, 15060), (3012, 13245), (3532, 11295), (3765, 10596), (4415, 9036), (4518, 8830), (5020, 7947), (5298, 7530)]