90915420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1873}}^1$

素因数の和:2694

約数の個数: 48

約数和(自身を含む): 255013920

約数和(自身を除く): 164098500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 809, 1618, 1873, 2427, 3236, 3746, 4045, 4854, 5619, 7492, 8090, 9365, 9708, 11238, 12135, 16180, 18730, 22476, 24270, 28095, 37460, 48540, 56190, 112380, 1515257, 3030514, 4545771, 6061028, 7576285, 9091542, 15152570, 18183084, 22728855, 30305140, 45457710, 90915420]

約数ペア:

[(1, 90915420), (2, 45457710), (3, 30305140), (4, 22728855), (5, 18183084), (6, 15152570), (10, 9091542), (12, 7576285), (15, 6061028), (20, 4545771), (30, 3030514), (60, 1515257), (809, 112380), (1618, 56190), (1873, 48540), (2427, 37460), (3236, 28095), (3746, 24270), (4045, 22476), (4854, 18730), (5619, 16180), (7492, 12135), (8090, 11238), (9365, 9708)]