30945760

素因数分解:

$2^5\times 5^1\times {\mathrm{269}}^1\times {\mathrm{719}}^1$

素因数の和:1003

約数の個数: 48

約数和(自身を含む): 73483200

約数和(自身を除く): 42537440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 269, 538, 719, 1076, 1345, 1438, 2152, 2690, 2876, 3595, 4304, 5380, 5752, 7190, 8608, 10760, 11504, 14380, 21520, 23008, 28760, 43040, 57520, 115040, 193411, 386822, 773644, 967055, 1547288, 1934110, 3094576, 3868220, 6189152, 7736440, 15472880, 30945760]

約数ペア:

[(1, 30945760), (2, 15472880), (4, 7736440), (5, 6189152), (8, 3868220), (10, 3094576), (16, 1934110), (20, 1547288), (32, 967055), (40, 773644), (80, 386822), (160, 193411), (269, 115040), (538, 57520), (719, 43040), (1076, 28760), (1345, 23008), (1438, 21520), (2152, 14380), (2690, 11504), (2876, 10760), (3595, 8608), (4304, 7190), (5380, 5752)]