72373640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{811}}^1$

素因数の和:942

約数の個数: 64

約数和(自身を含む): 171884160

約数和(自身を除く): 99510520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 97, 115, 184, 194, 230, 388, 460, 485, 776, 811, 920, 970, 1622, 1940, 2231, 3244, 3880, 4055, 4462, 6488, 8110, 8924, 11155, 16220, 17848, 18653, 22310, 32440, 37306, 44620, 74612, 78667, 89240, 93265, 149224, 157334, 186530, 314668, 373060, 393335, 629336, 746120, 786670, 1573340, 1809341, 3146680, 3618682, 7237364, 9046705, 14474728, 18093410, 36186820, 72373640]

約数ペア:

[(1, 72373640), (2, 36186820), (4, 18093410), (5, 14474728), (8, 9046705), (10, 7237364), (20, 3618682), (23, 3146680), (40, 1809341), (46, 1573340), (92, 786670), (97, 746120), (115, 629336), (184, 393335), (194, 373060), (230, 314668), (388, 186530), (460, 157334), (485, 149224), (776, 93265), (811, 89240), (920, 78667), (970, 74612), (1622, 44620), (1940, 37306), (2231, 32440), (3244, 22310), (3880, 18653), (4055, 17848), (4462, 16220), (6488, 11155), (8110, 8924)]