66911880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79657}}^1$

素因数の和:79678

約数の個数: 64

約数和(自身を含む): 229415040

約数和(自身を除く): 162503160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 79657, 159314, 238971, 318628, 398285, 477942, 557599, 637256, 796570, 955884, 1115198, 1194855, 1593140, 1672797, 1911768, 2230396, 2389710, 2787995, 3186280, 3345594, 4460792, 4779420, 5575990, 6691188, 8363985, 9558840, 11151980, 13382376, 16727970, 22303960, 33455940, 66911880]

約数ペア:

[(1, 66911880), (2, 33455940), (3, 22303960), (4, 16727970), (5, 13382376), (6, 11151980), (7, 9558840), (8, 8363985), (10, 6691188), (12, 5575990), (14, 4779420), (15, 4460792), (20, 3345594), (21, 3186280), (24, 2787995), (28, 2389710), (30, 2230396), (35, 1911768), (40, 1672797), (42, 1593140), (56, 1194855), (60, 1115198), (70, 955884), (84, 796570), (105, 637256), (120, 557599), (140, 477942), (168, 398285), (210, 318628), (280, 238971), (420, 159314), (840, 79657)]