306528080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89107}}^1$

素因数の和:89163

約数の個数: 40

約数和(自身を含む): 729259872

約数和(自身を除く): 422731792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 89107, 178214, 356428, 445535, 712856, 891070, 1425712, 1782140, 3564280, 3831601, 7128560, 7663202, 15326404, 19158005, 30652808, 38316010, 61305616, 76632020, 153264040, 306528080]

約数ペア:

[(1, 306528080), (2, 153264040), (4, 76632020), (5, 61305616), (8, 38316010), (10, 30652808), (16, 19158005), (20, 15326404), (40, 7663202), (43, 7128560), (80, 3831601), (86, 3564280), (172, 1782140), (215, 1425712), (344, 891070), (430, 712856), (688, 445535), (860, 356428), (1720, 178214), (3440, 89107)]