198289920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{25819}}^1$

素因数の和:25845

約数の個数: 80

約数和(自身を含む): 633932640

約数和(自身を除く): 435642720

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, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 25819, 51638, 77457, 103276, 129095, 154914, 206552, 258190, 309828, 387285, 413104, 516380, 619656, 774570, 826208, 1032760, 1239312, 1549140, 1652416, 2065520, 2478624, 3098280, 3304832, 4131040, 4957248, 6196560, 6609664, 8262080, 9914496, 12393120, 13219328, 16524160, 19828992, 24786240, 33048320, 39657984, 49572480, 66096640, 99144960, 198289920]

約数ペア:

[(1, 198289920), (2, 99144960), (3, 66096640), (4, 49572480), (5, 39657984), (6, 33048320), (8, 24786240), (10, 19828992), (12, 16524160), (15, 13219328), (16, 12393120), (20, 9914496), (24, 8262080), (30, 6609664), (32, 6196560), (40, 4957248), (48, 4131040), (60, 3304832), (64, 3098280), (80, 2478624), (96, 2065520), (120, 1652416), (128, 1549140), (160, 1239312), (192, 1032760), (240, 826208), (256, 774570), (320, 619656), (384, 516380), (480, 413104), (512, 387285), (640, 309828), (768, 258190), (960, 206552), (1280, 154914), (1536, 129095), (1920, 103276), (2560, 77457), (3840, 51638), (7680, 25819)]