217891920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{593}}^1\times {\mathrm{1531}}^1$

素因数の和:2140

約数の個数: 80

約数和(自身を含む): 677045952

約数和(自身を除く): 459154032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 593, 1186, 1531, 1779, 2372, 2965, 3062, 3558, 4593, 4744, 5930, 6124, 7116, 7655, 8895, 9186, 9488, 11860, 12248, 14232, 15310, 17790, 18372, 22965, 23720, 24496, 28464, 30620, 35580, 36744, 45930, 47440, 61240, 71160, 73488, 91860, 122480, 142320, 183720, 367440, 907883, 1815766, 2723649, 3631532, 4539415, 5447298, 7263064, 9078830, 10894596, 13618245, 14526128, 18157660, 21789192, 27236490, 36315320, 43578384, 54472980, 72630640, 108945960, 217891920]

約数ペア:

[(1, 217891920), (2, 108945960), (3, 72630640), (4, 54472980), (5, 43578384), (6, 36315320), (8, 27236490), (10, 21789192), (12, 18157660), (15, 14526128), (16, 13618245), (20, 10894596), (24, 9078830), (30, 7263064), (40, 5447298), (48, 4539415), (60, 3631532), (80, 2723649), (120, 1815766), (240, 907883), (593, 367440), (1186, 183720), (1531, 142320), (1779, 122480), (2372, 91860), (2965, 73488), (3062, 71160), (3558, 61240), (4593, 47440), (4744, 45930), (5930, 36744), (6124, 35580), (7116, 30620), (7655, 28464), (8895, 24496), (9186, 23720), (9488, 22965), (11860, 18372), (12248, 17790), (14232, 15310)]