80128860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{190783}}^1$

素因数の和:190802

約数の個数: 48

約数和(自身を含む): 256413696

約数和(自身を除く): 176284836

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, 190783, 381566, 572349, 763132, 953915, 1144698, 1335481, 1907830, 2289396, 2670962, 2861745, 3815660, 4006443, 5341924, 5723490, 6677405, 8012886, 11446980, 13354810, 16025772, 20032215, 26709620, 40064430, 80128860]

約数ペア:

[(1, 80128860), (2, 40064430), (3, 26709620), (4, 20032215), (5, 16025772), (6, 13354810), (7, 11446980), (10, 8012886), (12, 6677405), (14, 5723490), (15, 5341924), (20, 4006443), (21, 3815660), (28, 2861745), (30, 2670962), (35, 2289396), (42, 1907830), (60, 1335481), (70, 1144698), (84, 953915), (105, 763132), (140, 572349), (210, 381566), (420, 190783)]