28789620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1093}}^1$

素因数の和:1544

約数の個数: 48

約数和(自身を含む): 80868480

約数和(自身を除く): 52078860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 439, 878, 1093, 1317, 1756, 2186, 2195, 2634, 3279, 4372, 4390, 5268, 5465, 6558, 6585, 8780, 10930, 13116, 13170, 16395, 21860, 26340, 32790, 65580, 479827, 959654, 1439481, 1919308, 2399135, 2878962, 4798270, 5757924, 7197405, 9596540, 14394810, 28789620]

約数ペア:

[(1, 28789620), (2, 14394810), (3, 9596540), (4, 7197405), (5, 5757924), (6, 4798270), (10, 2878962), (12, 2399135), (15, 1919308), (20, 1439481), (30, 959654), (60, 479827), (439, 65580), (878, 32790), (1093, 26340), (1317, 21860), (1756, 16395), (2186, 13170), (2195, 13116), (2634, 10930), (3279, 8780), (4372, 6585), (4390, 6558), (5268, 5465)]