201563880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{239957}}^1$

素因数の和:239978

約数の個数: 64

約数和(自身を含む): 691079040

約数和(自身を除く): 489515160

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, 239957, 479914, 719871, 959828, 1199785, 1439742, 1679699, 1919656, 2399570, 2879484, 3359398, 3599355, 4799140, 5039097, 5758968, 6718796, 7198710, 8398495, 9598280, 10078194, 13437592, 14397420, 16796990, 20156388, 25195485, 28794840, 33593980, 40312776, 50390970, 67187960, 100781940, 201563880]

約数ペア:

[(1, 201563880), (2, 100781940), (3, 67187960), (4, 50390970), (5, 40312776), (6, 33593980), (7, 28794840), (8, 25195485), (10, 20156388), (12, 16796990), (14, 14397420), (15, 13437592), (20, 10078194), (21, 9598280), (24, 8398495), (28, 7198710), (30, 6718796), (35, 5758968), (40, 5039097), (42, 4799140), (56, 3599355), (60, 3359398), (70, 2879484), (84, 2399570), (105, 1919656), (120, 1679699), (140, 1439742), (168, 1199785), (210, 959828), (280, 719871), (420, 479914), (840, 239957)]