161993820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{947}}^1\times {\mathrm{2851}}^1$

素因数の和:3810

約数の個数: 48

約数和(自身を含む): 454220928

約数和(自身を除く): 292227108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 947, 1894, 2841, 2851, 3788, 4735, 5682, 5702, 8553, 9470, 11364, 11404, 14205, 14255, 17106, 18940, 28410, 28510, 34212, 42765, 56820, 57020, 85530, 171060, 2699897, 5399794, 8099691, 10799588, 13499485, 16199382, 26998970, 32398764, 40498455, 53997940, 80996910, 161993820]

約数ペア:

[(1, 161993820), (2, 80996910), (3, 53997940), (4, 40498455), (5, 32398764), (6, 26998970), (10, 16199382), (12, 13499485), (15, 10799588), (20, 8099691), (30, 5399794), (60, 2699897), (947, 171060), (1894, 85530), (2841, 57020), (2851, 56820), (3788, 42765), (4735, 34212), (5682, 28510), (5702, 28410), (8553, 18940), (9470, 17106), (11364, 14255), (11404, 14205)]