71781780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{617}}^1$

素因数の和:913

約数の個数: 96

約数和(自身を含む): 230904576

約数和(自身を除く): 159122796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 277, 420, 554, 617, 831, 1108, 1234, 1385, 1662, 1851, 1939, 2468, 2770, 3085, 3324, 3702, 3878, 4155, 4319, 5540, 5817, 6170, 7404, 7756, 8310, 8638, 9255, 9695, 11634, 12340, 12957, 16620, 17276, 18510, 19390, 21595, 23268, 25914, 29085, 37020, 38780, 43190, 51828, 58170, 64785, 86380, 116340, 129570, 170909, 259140, 341818, 512727, 683636, 854545, 1025454, 1196363, 1709090, 2050908, 2392726, 2563635, 3418180, 3589089, 4785452, 5127270, 5981815, 7178178, 10254540, 11963630, 14356356, 17945445, 23927260, 35890890, 71781780]

約数ペア:

[(1, 71781780), (2, 35890890), (3, 23927260), (4, 17945445), (5, 14356356), (6, 11963630), (7, 10254540), (10, 7178178), (12, 5981815), (14, 5127270), (15, 4785452), (20, 3589089), (21, 3418180), (28, 2563635), (30, 2392726), (35, 2050908), (42, 1709090), (60, 1196363), (70, 1025454), (84, 854545), (105, 683636), (140, 512727), (210, 341818), (277, 259140), (420, 170909), (554, 129570), (617, 116340), (831, 86380), (1108, 64785), (1234, 58170), (1385, 51828), (1662, 43190), (1851, 38780), (1939, 37020), (2468, 29085), (2770, 25914), (3085, 23268), (3324, 21595), (3702, 19390), (3878, 18510), (4155, 17276), (4319, 16620), (5540, 12957), (5817, 12340), (6170, 11634), (7404, 9695), (7756, 9255), (8310, 8638)]