12740940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{70783}}^1$

素因数の和:70798

約数の個数: 36

約数和(自身を含む): 38648064

約数和(自身を除く): 25907124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 70783, 141566, 212349, 283132, 353915, 424698, 637047, 707830, 849396, 1061745, 1274094, 1415660, 2123490, 2548188, 3185235, 4246980, 6370470, 12740940]

約数ペア:

[(1, 12740940), (2, 6370470), (3, 4246980), (4, 3185235), (5, 2548188), (6, 2123490), (9, 1415660), (10, 1274094), (12, 1061745), (15, 849396), (18, 707830), (20, 637047), (30, 424698), (36, 353915), (45, 283132), (60, 212349), (90, 141566), (180, 70783)]