80689920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{21013}}^1$

素因数の和:21037

約数の個数: 72

約数和(自身を含む): 257715696

約数和(自身を除く): 177025776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 21013, 42026, 63039, 84052, 105065, 126078, 168104, 210130, 252156, 315195, 336208, 420260, 504312, 630390, 672416, 840520, 1008624, 1260780, 1344832, 1681040, 2017248, 2521560, 2689664, 3362080, 4034496, 5043120, 5379328, 6724160, 8068992, 10086240, 13448320, 16137984, 20172480, 26896640, 40344960, 80689920]

約数ペア:

[(1, 80689920), (2, 40344960), (3, 26896640), (4, 20172480), (5, 16137984), (6, 13448320), (8, 10086240), (10, 8068992), (12, 6724160), (15, 5379328), (16, 5043120), (20, 4034496), (24, 3362080), (30, 2689664), (32, 2521560), (40, 2017248), (48, 1681040), (60, 1344832), (64, 1260780), (80, 1008624), (96, 840520), (120, 672416), (128, 630390), (160, 504312), (192, 420260), (240, 336208), (256, 315195), (320, 252156), (384, 210130), (480, 168104), (640, 126078), (768, 105065), (960, 84052), (1280, 63039), (1920, 42026), (3840, 21013)]