181301680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1231}}^1$

素因数の和:1514

約数の個数: 80

約数和(自身を含む): 483969024

約数和(自身を除く): 302667344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 263, 280, 526, 560, 1052, 1231, 1315, 1841, 2104, 2462, 2630, 3682, 4208, 4924, 5260, 6155, 7364, 8617, 9205, 9848, 10520, 12310, 14728, 17234, 18410, 19696, 21040, 24620, 29456, 34468, 36820, 43085, 49240, 68936, 73640, 86170, 98480, 137872, 147280, 172340, 323753, 344680, 647506, 689360, 1295012, 1618765, 2266271, 2590024, 3237530, 4532542, 5180048, 6475060, 9065084, 11331355, 12950120, 18130168, 22662710, 25900240, 36260336, 45325420, 90650840, 181301680]

約数ペア:

[(1, 181301680), (2, 90650840), (4, 45325420), (5, 36260336), (7, 25900240), (8, 22662710), (10, 18130168), (14, 12950120), (16, 11331355), (20, 9065084), (28, 6475060), (35, 5180048), (40, 4532542), (56, 3237530), (70, 2590024), (80, 2266271), (112, 1618765), (140, 1295012), (263, 689360), (280, 647506), (526, 344680), (560, 323753), (1052, 172340), (1231, 147280), (1315, 137872), (1841, 98480), (2104, 86170), (2462, 73640), (2630, 68936), (3682, 49240), (4208, 43085), (4924, 36820), (5260, 34468), (6155, 29456), (7364, 24620), (8617, 21040), (9205, 19696), (9848, 18410), (10520, 17234), (12310, 14728)]