305361920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 176

約数和(自身を含む): 799803840

約数和(自身を除く): 494441920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 64, 73, 76, 80, 86, 95, 128, 146, 152, 160, 172, 190, 215, 256, 292, 304, 320, 344, 365, 380, 430, 512, 584, 608, 640, 688, 730, 760, 817, 860, 1024, 1168, 1216, 1280, 1376, 1387, 1460, 1520, 1634, 1720, 2336, 2432, 2560, 2752, 2774, 2920, 3040, 3139, 3268, 3440, 4085, 4672, 4864, 5120, 5504, 5548, 5840, 6080, 6278, 6536, 6880, 6935, 8170, 9344, 9728, 11008, 11096, 11680, 12160, 12556, 13072, 13760, 13870, 15695, 16340, 18688, 19456, 22016, 22192, 23360, 24320, 25112, 26144, 27520, 27740, 31390, 32680, 37376, 44032, 44384, 46720, 48640, 50224, 52288, 55040, 55480, 59641, 62780, 65360, 74752, 88768, 93440, 97280, 100448, 104576, 110080, 110960, 119282, 125560, 130720, 177536, 186880, 200896, 209152, 220160, 221920, 238564, 251120, 261440, 298205, 355072, 373760, 401792, 418304, 443840, 477128, 502240, 522880, 596410, 710144, 803584, 836608, 887680, 954256, 1004480, 1045760, 1192820, 1420288, 1607168, 1775360, 1908512, 2008960, 2091520, 2385640, 3214336, 3550720, 3817024, 4017920, 4183040, 4771280, 7101440, 7634048, 8035840, 9542560, 15268096, 16071680, 19085120, 30536192, 38170240, 61072384, 76340480, 152680960, 305361920]

約数ペア:

[(1, 305361920), (2, 152680960), (4, 76340480), (5, 61072384), (8, 38170240), (10, 30536192), (16, 19085120), (19, 16071680), (20, 15268096), (32, 9542560), (38, 8035840), (40, 7634048), (43, 7101440), (64, 4771280), (73, 4183040), (76, 4017920), (80, 3817024), (86, 3550720), (95, 3214336), (128, 2385640), (146, 2091520), (152, 2008960), (160, 1908512), (172, 1775360), (190, 1607168), (215, 1420288), (256, 1192820), (292, 1045760), (304, 1004480), (320, 954256), (344, 887680), (365, 836608), (380, 803584), (430, 710144), (512, 596410), (584, 522880), (608, 502240), (640, 477128), (688, 443840), (730, 418304), (760, 401792), (817, 373760), (860, 355072), (1024, 298205), (1168, 261440), (1216, 251120), (1280, 238564), (1376, 221920), (1387, 220160), (1460, 209152), (1520, 200896), (1634, 186880), (1720, 177536), (2336, 130720), (2432, 125560), (2560, 119282), (2752, 110960), (2774, 110080), (2920, 104576), (3040, 100448), (3139, 97280), (3268, 93440), (3440, 88768), (4085, 74752), (4672, 65360), (4864, 62780), (5120, 59641), (5504, 55480), (5548, 55040), (5840, 52288), (6080, 50224), (6278, 48640), (6536, 46720), (6880, 44384), (6935, 44032), (8170, 37376), (9344, 32680), (9728, 31390), (11008, 27740), (11096, 27520), (11680, 26144), (12160, 25112), (12556, 24320), (13072, 23360), (13760, 22192), (13870, 22016), (15695, 19456), (16340, 18688)]