15156640

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2203}}^1$

素因数の和:2261

約数の個数: 48

約数和(自身を含む): 36656928

約数和(自身を除く): 21500288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 2203, 3440, 4406, 6880, 8812, 11015, 17624, 22030, 35248, 44060, 70496, 88120, 94729, 176240, 189458, 352480, 378916, 473645, 757832, 947290, 1515664, 1894580, 3031328, 3789160, 7578320, 15156640]

約数ペア:

[(1, 15156640), (2, 7578320), (4, 3789160), (5, 3031328), (8, 1894580), (10, 1515664), (16, 947290), (20, 757832), (32, 473645), (40, 378916), (43, 352480), (80, 189458), (86, 176240), (160, 94729), (172, 88120), (215, 70496), (344, 44060), (430, 35248), (688, 22030), (860, 17624), (1376, 11015), (1720, 8812), (2203, 6880), (3440, 4406)]