1230486280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{673}}^1\times {\mathrm{1063}}^1$

素因数の和:1790

約数の個数: 64

約数和(自身を含む): 2839858560

約数和(自身を除く): 1609372280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 673, 860, 1063, 1346, 1720, 2126, 2692, 3365, 4252, 5315, 5384, 6730, 8504, 10630, 13460, 21260, 26920, 28939, 42520, 45709, 57878, 91418, 115756, 144695, 182836, 228545, 231512, 289390, 365672, 457090, 578780, 715399, 914180, 1157560, 1430798, 1828360, 2861596, 3576995, 5723192, 7153990, 14307980, 28615960, 30762157, 61524314, 123048628, 153810785, 246097256, 307621570, 615243140, 1230486280]

約数ペア:

[(1, 1230486280), (2, 615243140), (4, 307621570), (5, 246097256), (8, 153810785), (10, 123048628), (20, 61524314), (40, 30762157), (43, 28615960), (86, 14307980), (172, 7153990), (215, 5723192), (344, 3576995), (430, 2861596), (673, 1828360), (860, 1430798), (1063, 1157560), (1346, 914180), (1720, 715399), (2126, 578780), (2692, 457090), (3365, 365672), (4252, 289390), (5315, 231512), (5384, 228545), (6730, 182836), (8504, 144695), (10630, 115756), (13460, 91418), (21260, 57878), (26920, 45709), (28939, 42520)]