80449180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{797}}^1$

素因数の和:923

約数の個数: 72

約数和(自身を含む): 198682848

約数和(自身を除く): 118233668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 103, 140, 196, 206, 245, 412, 490, 515, 721, 797, 980, 1030, 1442, 1594, 2060, 2884, 3188, 3605, 3985, 5047, 5579, 7210, 7970, 10094, 11158, 14420, 15940, 20188, 22316, 25235, 27895, 39053, 50470, 55790, 78106, 82091, 100940, 111580, 156212, 164182, 195265, 328364, 390530, 410455, 574637, 781060, 820910, 1149274, 1641820, 2298548, 2873185, 4022459, 5746370, 8044918, 11492740, 16089836, 20112295, 40224590, 80449180]

約数ペア:

[(1, 80449180), (2, 40224590), (4, 20112295), (5, 16089836), (7, 11492740), (10, 8044918), (14, 5746370), (20, 4022459), (28, 2873185), (35, 2298548), (49, 1641820), (70, 1149274), (98, 820910), (103, 781060), (140, 574637), (196, 410455), (206, 390530), (245, 328364), (412, 195265), (490, 164182), (515, 156212), (721, 111580), (797, 100940), (980, 82091), (1030, 78106), (1442, 55790), (1594, 50470), (2060, 39053), (2884, 27895), (3188, 25235), (3605, 22316), (3985, 20188), (5047, 15940), (5579, 14420), (7210, 11158), (7970, 10094)]