81124470

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{42923}}^1$

素因数の和:42946

約数の個数: 64

約数和(自身を含む): 247242240

約数和(自身を除く): 166117770

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 42923, 85846, 128769, 214615, 257538, 300461, 386307, 429230, 600922, 643845, 772614, 901383, 1158921, 1287690, 1502305, 1802766, 1931535, 2317842, 2704149, 3004610, 3863070, 4506915, 5408298, 5794605, 8112447, 9013830, 11589210, 13520745, 16224894, 27041490, 40562235, 81124470]

約数ペア:

[(1, 81124470), (2, 40562235), (3, 27041490), (5, 16224894), (6, 13520745), (7, 11589210), (9, 9013830), (10, 8112447), (14, 5794605), (15, 5408298), (18, 4506915), (21, 3863070), (27, 3004610), (30, 2704149), (35, 2317842), (42, 1931535), (45, 1802766), (54, 1502305), (63, 1287690), (70, 1158921), (90, 901383), (105, 772614), (126, 643845), (135, 600922), (189, 429230), (210, 386307), (270, 300461), (315, 257538), (378, 214615), (630, 128769), (945, 85846), (1890, 42923)]