1856610

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{421}}^1$

素因数の和:448

約数の個数: 72

約数和(自身を含む): 5628636

約数和(自身を除く): 3772026

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 421, 441, 490, 630, 735, 842, 882, 1263, 1470, 2105, 2205, 2526, 2947, 3789, 4210, 4410, 5894, 6315, 7578, 8841, 12630, 14735, 17682, 18945, 20629, 26523, 29470, 37890, 41258, 44205, 53046, 61887, 88410, 103145, 123774, 132615, 185661, 206290, 265230, 309435, 371322, 618870, 928305, 1856610]

約数ペア:

[(1, 1856610), (2, 928305), (3, 618870), (5, 371322), (6, 309435), (7, 265230), (9, 206290), (10, 185661), (14, 132615), (15, 123774), (18, 103145), (21, 88410), (30, 61887), (35, 53046), (42, 44205), (45, 41258), (49, 37890), (63, 29470), (70, 26523), (90, 20629), (98, 18945), (105, 17682), (126, 14735), (147, 12630), (210, 8841), (245, 7578), (294, 6315), (315, 5894), (421, 4410), (441, 4210), (490, 3789), (630, 2947), (735, 2526), (842, 2205), (882, 2105), (1263, 1470)]