80394840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{223319}}^1$

素因数の和:223336

約数の個数: 48

約数和(自身を含む): 261284400

約数和(自身を除く): 180889560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 223319, 446638, 669957, 893276, 1116595, 1339914, 1786552, 2009871, 2233190, 2679828, 3349785, 4019742, 4466380, 5359656, 6699570, 8039484, 8932760, 10049355, 13399140, 16078968, 20098710, 26798280, 40197420, 80394840]

約数ペア:

[(1, 80394840), (2, 40197420), (3, 26798280), (4, 20098710), (5, 16078968), (6, 13399140), (8, 10049355), (9, 8932760), (10, 8039484), (12, 6699570), (15, 5359656), (18, 4466380), (20, 4019742), (24, 3349785), (30, 2679828), (36, 2233190), (40, 2009871), (45, 1786552), (60, 1339914), (72, 1116595), (90, 893276), (120, 669957), (180, 446638), (360, 223319)]