15160840

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1409}}^1$

素因数の和:1689

約数の個数: 32

約数和(自身を含む): 34263000

約数和(自身を除く): 19102160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 1409, 2152, 2690, 2818, 5380, 5636, 7045, 10760, 11272, 14090, 28180, 56360, 379021, 758042, 1516084, 1895105, 3032168, 3790210, 7580420, 15160840]

約数ペア:

[(1, 15160840), (2, 7580420), (4, 3790210), (5, 3032168), (8, 1895105), (10, 1516084), (20, 758042), (40, 379021), (269, 56360), (538, 28180), (1076, 14090), (1345, 11272), (1409, 10760), (2152, 7045), (2690, 5636), (2818, 5380)]