289698640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:521

約数の個数: 160

約数和(自身を含む): 848517120

約数和(自身を除く): 558818480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 131, 140, 154, 176, 220, 262, 280, 308, 359, 385, 440, 524, 560, 616, 655, 718, 770, 880, 917, 1048, 1232, 1310, 1436, 1441, 1540, 1795, 1834, 2096, 2513, 2620, 2872, 2882, 3080, 3590, 3668, 3949, 4585, 5026, 5240, 5744, 5764, 6160, 7180, 7205, 7336, 7898, 9170, 10052, 10087, 10480, 11528, 12565, 14360, 14410, 14672, 15796, 18340, 19745, 20104, 20174, 23056, 25130, 27643, 28720, 28820, 31592, 36680, 39490, 40208, 40348, 47029, 50260, 50435, 55286, 57640, 63184, 73360, 78980, 80696, 94058, 100520, 100870, 110572, 115280, 138215, 157960, 161392, 188116, 201040, 201740, 221144, 235145, 276430, 315920, 329203, 376232, 403480, 442288, 470290, 517319, 552860, 658406, 752464, 806960, 940580, 1034638, 1105720, 1316812, 1646015, 1881160, 2069276, 2211440, 2586595, 2633624, 3292030, 3621233, 3762320, 4138552, 5173190, 5267248, 6584060, 7242466, 8277104, 10346380, 13168120, 14484932, 18106165, 20692760, 26336240, 28969864, 36212330, 41385520, 57939728, 72424660, 144849320, 289698640]

約数ペア:

[(1, 289698640), (2, 144849320), (4, 72424660), (5, 57939728), (7, 41385520), (8, 36212330), (10, 28969864), (11, 26336240), (14, 20692760), (16, 18106165), (20, 14484932), (22, 13168120), (28, 10346380), (35, 8277104), (40, 7242466), (44, 6584060), (55, 5267248), (56, 5173190), (70, 4138552), (77, 3762320), (80, 3621233), (88, 3292030), (110, 2633624), (112, 2586595), (131, 2211440), (140, 2069276), (154, 1881160), (176, 1646015), (220, 1316812), (262, 1105720), (280, 1034638), (308, 940580), (359, 806960), (385, 752464), (440, 658406), (524, 552860), (560, 517319), (616, 470290), (655, 442288), (718, 403480), (770, 376232), (880, 329203), (917, 315920), (1048, 276430), (1232, 235145), (1310, 221144), (1436, 201740), (1441, 201040), (1540, 188116), (1795, 161392), (1834, 157960), (2096, 138215), (2513, 115280), (2620, 110572), (2872, 100870), (2882, 100520), (3080, 94058), (3590, 80696), (3668, 78980), (3949, 73360), (4585, 63184), (5026, 57640), (5240, 55286), (5744, 50435), (5764, 50260), (6160, 47029), (7180, 40348), (7205, 40208), (7336, 39490), (7898, 36680), (9170, 31592), (10052, 28820), (10087, 28720), (10480, 27643), (11528, 25130), (12565, 23056), (14360, 20174), (14410, 20104), (14672, 19745), (15796, 18340)]