15679520

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1$

素因数の和:154

約数の個数: 72

約数和(自身を含む): 38639916

約数和(自身を除く): 22960396

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 53, 80, 86, 106, 160, 172, 212, 215, 265, 344, 424, 430, 530, 688, 848, 860, 1060, 1376, 1696, 1720, 1849, 2120, 2279, 3440, 3698, 4240, 4558, 6880, 7396, 8480, 9116, 9245, 11395, 14792, 18232, 18490, 22790, 29584, 36464, 36980, 45580, 59168, 72928, 73960, 91160, 97997, 147920, 182320, 195994, 295840, 364640, 391988, 489985, 783976, 979970, 1567952, 1959940, 3135904, 3919880, 7839760, 15679520]

約数ペア:

[(1, 15679520), (2, 7839760), (4, 3919880), (5, 3135904), (8, 1959940), (10, 1567952), (16, 979970), (20, 783976), (32, 489985), (40, 391988), (43, 364640), (53, 295840), (80, 195994), (86, 182320), (106, 147920), (160, 97997), (172, 91160), (212, 73960), (215, 72928), (265, 59168), (344, 45580), (424, 36980), (430, 36464), (530, 29584), (688, 22790), (848, 18490), (860, 18232), (1060, 14792), (1376, 11395), (1696, 9245), (1720, 9116), (1849, 8480), (2120, 7396), (2279, 6880), (3440, 4558), (3698, 4240)]