808980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 2304960

約数和(自身を除く): 1495980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 139, 194, 278, 291, 388, 417, 485, 556, 582, 695, 834, 970, 1164, 1390, 1455, 1668, 1940, 2085, 2780, 2910, 4170, 5820, 8340, 13483, 26966, 40449, 53932, 67415, 80898, 134830, 161796, 202245, 269660, 404490, 808980]

約数ペア:

[(1, 808980), (2, 404490), (3, 269660), (4, 202245), (5, 161796), (6, 134830), (10, 80898), (12, 67415), (15, 53932), (20, 40449), (30, 26966), (60, 13483), (97, 8340), (139, 5820), (194, 4170), (278, 2910), (291, 2780), (388, 2085), (417, 1940), (485, 1668), (556, 1455), (582, 1390), (695, 1164), (834, 970)]