30784360

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2861}}^1$

素因数の和:3141

約数の個数: 32

約数和(自身を含む): 69546600

約数和(自身を除く): 38762240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 2861, 5380, 5722, 10760, 11444, 14305, 22888, 28610, 57220, 114440, 769609, 1539218, 3078436, 3848045, 6156872, 7696090, 15392180, 30784360]

約数ペア:

[(1, 30784360), (2, 15392180), (4, 7696090), (5, 6156872), (8, 3848045), (10, 3078436), (20, 1539218), (40, 769609), (269, 114440), (538, 57220), (1076, 28610), (1345, 22888), (2152, 14305), (2690, 11444), (2861, 10760), (5380, 5722)]