16972980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{619}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 47705280

約数和(自身を除く): 30732300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 457, 619, 914, 1238, 1371, 1828, 1857, 2285, 2476, 2742, 3095, 3714, 4570, 5484, 6190, 6855, 7428, 9140, 9285, 12380, 13710, 18570, 27420, 37140, 282883, 565766, 848649, 1131532, 1414415, 1697298, 2828830, 3394596, 4243245, 5657660, 8486490, 16972980]

約数ペア:

[(1, 16972980), (2, 8486490), (3, 5657660), (4, 4243245), (5, 3394596), (6, 2828830), (10, 1697298), (12, 1414415), (15, 1131532), (20, 848649), (30, 565766), (60, 282883), (457, 37140), (619, 27420), (914, 18570), (1238, 13710), (1371, 12380), (1828, 9285), (1857, 9140), (2285, 7428), (2476, 6855), (2742, 6190), (3095, 5484), (3714, 4570)]