172138140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{9859}}^1$

素因数の和:9971

約数の個数: 72

約数和(自身を含む): 527588880

約数和(自身を除く): 355450740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1746, 1940, 2910, 3492, 4365, 5820, 8730, 9859, 17460, 19718, 29577, 39436, 49295, 59154, 88731, 98590, 118308, 147885, 177462, 197180, 295770, 354924, 443655, 591540, 887310, 956323, 1774620, 1912646, 2868969, 3825292, 4781615, 5737938, 8606907, 9563230, 11475876, 14344845, 17213814, 19126460, 28689690, 34427628, 43034535, 57379380, 86069070, 172138140]

約数ペア:

[(1, 172138140), (2, 86069070), (3, 57379380), (4, 43034535), (5, 34427628), (6, 28689690), (9, 19126460), (10, 17213814), (12, 14344845), (15, 11475876), (18, 9563230), (20, 8606907), (30, 5737938), (36, 4781615), (45, 3825292), (60, 2868969), (90, 1912646), (97, 1774620), (180, 956323), (194, 887310), (291, 591540), (388, 443655), (485, 354924), (582, 295770), (873, 197180), (970, 177462), (1164, 147885), (1455, 118308), (1746, 98590), (1940, 88731), (2910, 59154), (3492, 49295), (4365, 39436), (5820, 29577), (8730, 19718), (9859, 17460)]