80775660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{192323}}^1$

素因数の和:192342

約数の個数: 48

約数和(自身を含む): 258483456

約数和(自身を除く): 177707796

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, 192323, 384646, 576969, 769292, 961615, 1153938, 1346261, 1923230, 2307876, 2692522, 2884845, 3846460, 4038783, 5385044, 5769690, 6731305, 8077566, 11539380, 13462610, 16155132, 20193915, 26925220, 40387830, 80775660]

約数ペア:

[(1, 80775660), (2, 40387830), (3, 26925220), (4, 20193915), (5, 16155132), (6, 13462610), (7, 11539380), (10, 8077566), (12, 6731305), (14, 5769690), (15, 5385044), (20, 4038783), (21, 3846460), (28, 2884845), (30, 2692522), (35, 2307876), (42, 1923230), (60, 1346261), (70, 1153938), (84, 961615), (105, 769292), (140, 576969), (210, 384646), (420, 192323)]