15678907840

素因数分解:

$2^6\times 5^1\times {\mathrm{617}}^1\times {\mathrm{79411}}^1$

素因数の和:80045

約数の個数: 56

約数和(自身を含む): 37396381392

約数和(自身を除く): 21717473552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 617, 1234, 2468, 3085, 4936, 6170, 9872, 12340, 19744, 24680, 39488, 49360, 79411, 98720, 158822, 197440, 317644, 397055, 635288, 794110, 1270576, 1588220, 2541152, 3176440, 5082304, 6352880, 12705760, 25411520, 48996587, 97993174, 195986348, 244982935, 391972696, 489965870, 783945392, 979931740, 1567890784, 1959863480, 3135781568, 3919726960, 7839453920, 15678907840]

約数ペア:

[(1, 15678907840), (2, 7839453920), (4, 3919726960), (5, 3135781568), (8, 1959863480), (10, 1567890784), (16, 979931740), (20, 783945392), (32, 489965870), (40, 391972696), (64, 244982935), (80, 195986348), (160, 97993174), (320, 48996587), (617, 25411520), (1234, 12705760), (2468, 6352880), (3085, 5082304), (4936, 3176440), (6170, 2541152), (9872, 1588220), (12340, 1270576), (19744, 794110), (24680, 635288), (39488, 397055), (49360, 317644), (79411, 197440), (98720, 158822)]