165640580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{977}}^1$

素因数の和:1173

約数の個数: 72

約数和(自身を含む): 407391768

約数和(自身を除く): 241751188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 173, 196, 245, 346, 490, 692, 865, 977, 980, 1211, 1730, 1954, 2422, 3460, 3908, 4844, 4885, 6055, 6839, 8477, 9770, 12110, 13678, 16954, 19540, 24220, 27356, 33908, 34195, 42385, 47873, 68390, 84770, 95746, 136780, 169021, 169540, 191492, 239365, 338042, 478730, 676084, 845105, 957460, 1183147, 1690210, 2366294, 3380420, 4732588, 5915735, 8282029, 11831470, 16564058, 23662940, 33128116, 41410145, 82820290, 165640580]

約数ペア:

[(1, 165640580), (2, 82820290), (4, 41410145), (5, 33128116), (7, 23662940), (10, 16564058), (14, 11831470), (20, 8282029), (28, 5915735), (35, 4732588), (49, 3380420), (70, 2366294), (98, 1690210), (140, 1183147), (173, 957460), (196, 845105), (245, 676084), (346, 478730), (490, 338042), (692, 239365), (865, 191492), (977, 169540), (980, 169021), (1211, 136780), (1730, 95746), (1954, 84770), (2422, 68390), (3460, 47873), (3908, 42385), (4844, 34195), (4885, 33908), (6055, 27356), (6839, 24220), (8477, 19540), (9770, 16954), (12110, 13678)]