81720310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:541

約数の個数: 64

約数和(自身を含む): 175011840

約数和(自身を除く): 93291530

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 59, 70, 94, 118, 235, 295, 329, 413, 421, 470, 590, 658, 826, 842, 1645, 2065, 2105, 2773, 2947, 3290, 4130, 4210, 5546, 5894, 13865, 14735, 19411, 19787, 24839, 27730, 29470, 38822, 39574, 49678, 97055, 98935, 124195, 138509, 173873, 194110, 197870, 248390, 277018, 347746, 692545, 869365, 1167433, 1385090, 1738730, 2334866, 5837165, 8172031, 11674330, 16344062, 40860155, 81720310]

約数ペア:

[(1, 81720310), (2, 40860155), (5, 16344062), (7, 11674330), (10, 8172031), (14, 5837165), (35, 2334866), (47, 1738730), (59, 1385090), (70, 1167433), (94, 869365), (118, 692545), (235, 347746), (295, 277018), (329, 248390), (413, 197870), (421, 194110), (470, 173873), (590, 138509), (658, 124195), (826, 98935), (842, 97055), (1645, 49678), (2065, 39574), (2105, 38822), (2773, 29470), (2947, 27730), (3290, 24839), (4130, 19787), (4210, 19411), (5546, 14735), (5894, 13865)]