2180890880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{243403}}^1$

素因数の和:243431

約数の個数: 72

約数和(自身を含む): 5970213312

約数和(自身を除く): 3789322432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 243403, 486806, 973612, 1217015, 1703821, 1947224, 2434030, 3407642, 3894448, 4868060, 6815284, 7788896, 8519105, 9736120, 13630568, 15577792, 17038210, 19472240, 27261136, 31155584, 34076420, 38944480, 54522272, 62311168, 68152840, 77888960, 109044544, 136305680, 155777920, 218089088, 272611360, 311555840, 436178176, 545222720, 1090445440, 2180890880]

約数ペア:

[(1, 2180890880), (2, 1090445440), (4, 545222720), (5, 436178176), (7, 311555840), (8, 272611360), (10, 218089088), (14, 155777920), (16, 136305680), (20, 109044544), (28, 77888960), (32, 68152840), (35, 62311168), (40, 54522272), (56, 38944480), (64, 34076420), (70, 31155584), (80, 27261136), (112, 19472240), (128, 17038210), (140, 15577792), (160, 13630568), (224, 9736120), (256, 8519105), (280, 7788896), (320, 6815284), (448, 4868060), (560, 3894448), (640, 3407642), (896, 2434030), (1120, 1947224), (1280, 1703821), (1792, 1217015), (2240, 973612), (4480, 486806), (8960, 243403)]