21649920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2819}}^1$

素因数の和:2845

約数の個数: 80

約数和(自身を含む): 69236640

約数和(自身を除く): 47586720

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, 2819, 3840, 5638, 7680, 8457, 11276, 14095, 16914, 22552, 28190, 33828, 42285, 45104, 56380, 67656, 84570, 90208, 112760, 135312, 169140, 180416, 225520, 270624, 338280, 360832, 451040, 541248, 676560, 721664, 902080, 1082496, 1353120, 1443328, 1804160, 2164992, 2706240, 3608320, 4329984, 5412480, 7216640, 10824960, 21649920]

約数ペア:

[(1, 21649920), (2, 10824960), (3, 7216640), (4, 5412480), (5, 4329984), (6, 3608320), (8, 2706240), (10, 2164992), (12, 1804160), (15, 1443328), (16, 1353120), (20, 1082496), (24, 902080), (30, 721664), (32, 676560), (40, 541248), (48, 451040), (60, 360832), (64, 338280), (80, 270624), (96, 225520), (120, 180416), (128, 169140), (160, 135312), (192, 112760), (240, 90208), (256, 84570), (320, 67656), (384, 56380), (480, 45104), (512, 42285), (640, 33828), (768, 28190), (960, 22552), (1280, 16914), (1536, 14095), (1920, 11276), (2560, 8457), (2819, 7680), (3840, 5638)]