72589120

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11939}}^1$

素因数の和:11975

約数の個数: 56

約数和(自身を含む): 181965600

約数和(自身を除く): 109376480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 11939, 23878, 47756, 59695, 95512, 119390, 191024, 226841, 238780, 382048, 453682, 477560, 764096, 907364, 955120, 1134205, 1814728, 1910240, 2268410, 3629456, 3820480, 4536820, 7258912, 9073640, 14517824, 18147280, 36294560, 72589120]

約数ペア:

[(1, 72589120), (2, 36294560), (4, 18147280), (5, 14517824), (8, 9073640), (10, 7258912), (16, 4536820), (19, 3820480), (20, 3629456), (32, 2268410), (38, 1910240), (40, 1814728), (64, 1134205), (76, 955120), (80, 907364), (95, 764096), (152, 477560), (160, 453682), (190, 382048), (304, 238780), (320, 226841), (380, 191024), (608, 119390), (760, 95512), (1216, 59695), (1520, 47756), (3040, 23878), (6080, 11939)]