1556739840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{405401}}^1$

素因数の和:405425

約数の個数: 72

約数和(自身を含む): 4971850128

約数和(自身を除く): 3415110288

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, 405401, 810802, 1216203, 1621604, 2027005, 2432406, 3243208, 4054010, 4864812, 6081015, 6486416, 8108020, 9729624, 12162030, 12972832, 16216040, 19459248, 24324060, 25945664, 32432080, 38918496, 48648120, 51891328, 64864160, 77836992, 97296240, 103782656, 129728320, 155673984, 194592480, 259456640, 311347968, 389184960, 518913280, 778369920, 1556739840]

約数ペア:

[(1, 1556739840), (2, 778369920), (3, 518913280), (4, 389184960), (5, 311347968), (6, 259456640), (8, 194592480), (10, 155673984), (12, 129728320), (15, 103782656), (16, 97296240), (20, 77836992), (24, 64864160), (30, 51891328), (32, 48648120), (40, 38918496), (48, 32432080), (60, 25945664), (64, 24324060), (80, 19459248), (96, 16216040), (120, 12972832), (128, 12162030), (160, 9729624), (192, 8108020), (240, 6486416), (256, 6081015), (320, 4864812), (384, 4054010), (480, 3243208), (640, 2432406), (768, 2027005), (960, 1621604), (1280, 1216203), (1920, 810802), (3840, 405401)]