320907328

素因数分解:

$2^6\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17471}}^1$

素因数の和:17531

約数の個数: 56

約数和(自身を含む): 745565184

約数和(自身を除く): 424657856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 164, 224, 287, 328, 448, 574, 656, 1148, 1312, 2296, 2624, 4592, 9184, 17471, 18368, 34942, 69884, 122297, 139768, 244594, 279536, 489188, 559072, 716311, 978376, 1118144, 1432622, 1956752, 2865244, 3913504, 5014177, 5730488, 7827008, 10028354, 11460976, 20056708, 22921952, 40113416, 45843904, 80226832, 160453664, 320907328]

約数ペア:

[(1, 320907328), (2, 160453664), (4, 80226832), (7, 45843904), (8, 40113416), (14, 22921952), (16, 20056708), (28, 11460976), (32, 10028354), (41, 7827008), (56, 5730488), (64, 5014177), (82, 3913504), (112, 2865244), (164, 1956752), (224, 1432622), (287, 1118144), (328, 978376), (448, 716311), (574, 559072), (656, 489188), (1148, 279536), (1312, 244594), (2296, 139768), (2624, 122297), (4592, 69884), (9184, 34942), (17471, 18368)]