15720444

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^2\times {\mathrm{1511}}^1$

素因数の和:1555

約数の個数: 54

約数和(自身を含む): 42240744

約数和(自身を除く): 26520300

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 289, 306, 578, 612, 867, 1156, 1511, 1734, 2601, 3022, 3468, 4533, 5202, 6044, 9066, 10404, 13599, 18132, 25687, 27198, 51374, 54396, 77061, 102748, 154122, 231183, 308244, 436679, 462366, 873358, 924732, 1310037, 1746716, 2620074, 3930111, 5240148, 7860222, 15720444]

約数ペア:

[(1, 15720444), (2, 7860222), (3, 5240148), (4, 3930111), (6, 2620074), (9, 1746716), (12, 1310037), (17, 924732), (18, 873358), (34, 462366), (36, 436679), (51, 308244), (68, 231183), (102, 154122), (153, 102748), (204, 77061), (289, 54396), (306, 51374), (578, 27198), (612, 25687), (867, 18132), (1156, 13599), (1511, 10404), (1734, 9066), (2601, 6044), (3022, 5202), (3468, 4533)]