2861220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 8205120

約数和(自身を除く): 5343900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1109, 1290, 2218, 2580, 3327, 4436, 5545, 6654, 11090, 13308, 16635, 22180, 33270, 47687, 66540, 95374, 143061, 190748, 238435, 286122, 476870, 572244, 715305, 953740, 1430610, 2861220]

約数ペア:

[(1, 2861220), (2, 1430610), (3, 953740), (4, 715305), (5, 572244), (6, 476870), (10, 286122), (12, 238435), (15, 190748), (20, 143061), (30, 95374), (43, 66540), (60, 47687), (86, 33270), (129, 22180), (172, 16635), (215, 13308), (258, 11090), (430, 6654), (516, 5545), (645, 4436), (860, 3327), (1109, 2580), (1290, 2218)]