15668940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37307}}^1$

素因数の和:37326

約数の個数: 48

約数和(自身を含む): 50141952

約数和(自身を除く): 34473012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 37307, 74614, 111921, 149228, 186535, 223842, 261149, 373070, 447684, 522298, 559605, 746140, 783447, 1044596, 1119210, 1305745, 1566894, 2238420, 2611490, 3133788, 3917235, 5222980, 7834470, 15668940]

約数ペア:

[(1, 15668940), (2, 7834470), (3, 5222980), (4, 3917235), (5, 3133788), (6, 2611490), (7, 2238420), (10, 1566894), (12, 1305745), (14, 1119210), (15, 1044596), (20, 783447), (21, 746140), (28, 559605), (30, 522298), (35, 447684), (42, 373070), (60, 261149), (70, 223842), (84, 186535), (105, 149228), (140, 111921), (210, 74614), (420, 37307)]