30187180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 66044160

約数和(自身を除く): 35856980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 181, 269, 310, 362, 538, 620, 724, 905, 1076, 1345, 1810, 2690, 3620, 5380, 5611, 8339, 11222, 16678, 22444, 28055, 33356, 41695, 48689, 56110, 83390, 97378, 112220, 166780, 194756, 243445, 486890, 973780, 1509359, 3018718, 6037436, 7546795, 15093590, 30187180]

約数ペア:

[(1, 30187180), (2, 15093590), (4, 7546795), (5, 6037436), (10, 3018718), (20, 1509359), (31, 973780), (62, 486890), (124, 243445), (155, 194756), (181, 166780), (269, 112220), (310, 97378), (362, 83390), (538, 56110), (620, 48689), (724, 41695), (905, 33356), (1076, 28055), (1345, 22444), (1810, 16678), (2690, 11222), (3620, 8339), (5380, 5611)]