280125945

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{277}}^1$

素因数の和:532

約数の個数: 80

約数和(自身を含む): 552201408

約数和(自身を除く): 272075463

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 227, 277, 297, 405, 495, 681, 831, 891, 1135, 1385, 1485, 2043, 2493, 2497, 3047, 3405, 4155, 4455, 6129, 7479, 7491, 9141, 10215, 12465, 12485, 15235, 18387, 22437, 22473, 27423, 30645, 37395, 37455, 45705, 62879, 67419, 82269, 91935, 112185, 112365, 137115, 188637, 202257, 246807, 314395, 337095, 411345, 565911, 691669, 943185, 1011285, 1234035, 1697733, 2075007, 2829555, 3458345, 5093199, 6225021, 8488665, 10375035, 18675063, 25465995, 31125105, 56025189, 93375315, 280125945]

約数ペア:

[(1, 280125945), (3, 93375315), (5, 56025189), (9, 31125105), (11, 25465995), (15, 18675063), (27, 10375035), (33, 8488665), (45, 6225021), (55, 5093199), (81, 3458345), (99, 2829555), (135, 2075007), (165, 1697733), (227, 1234035), (277, 1011285), (297, 943185), (405, 691669), (495, 565911), (681, 411345), (831, 337095), (891, 314395), (1135, 246807), (1385, 202257), (1485, 188637), (2043, 137115), (2493, 112365), (2497, 112185), (3047, 91935), (3405, 82269), (4155, 67419), (4455, 62879), (6129, 45705), (7479, 37455), (7491, 37395), (9141, 30645), (10215, 27423), (12465, 22473), (12485, 22437), (15235, 18387)]