311715840

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 192

約数和(自身を含む): 1018180800

約数和(自身を除く): 706464960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 73, 80, 96, 120, 128, 139, 146, 160, 192, 219, 240, 256, 278, 292, 320, 365, 384, 417, 438, 480, 512, 556, 584, 640, 695, 730, 768, 834, 876, 960, 1024, 1095, 1112, 1168, 1280, 1390, 1460, 1536, 1668, 1752, 1920, 2048, 2085, 2190, 2224, 2336, 2560, 2780, 2920, 3072, 3336, 3504, 3840, 4170, 4380, 4448, 4672, 5120, 5560, 5840, 6144, 6672, 7008, 7680, 8340, 8760, 8896, 9344, 10147, 10240, 11120, 11680, 13344, 14016, 15360, 16680, 17520, 17792, 18688, 20294, 22240, 23360, 26688, 28032, 30441, 30720, 33360, 35040, 35584, 37376, 40588, 44480, 46720, 50735, 53376, 56064, 60882, 66720, 70080, 71168, 74752, 81176, 88960, 93440, 101470, 106752, 112128, 121764, 133440, 140160, 142336, 149504, 152205, 162352, 177920, 186880, 202940, 213504, 224256, 243528, 266880, 280320, 284672, 304410, 324704, 355840, 373760, 405880, 427008, 448512, 487056, 533760, 560640, 608820, 649408, 711680, 747520, 811760, 854016, 974112, 1067520, 1121280, 1217640, 1298816, 1423360, 1623520, 1948224, 2135040, 2242560, 2435280, 2597632, 3247040, 3896448, 4270080, 4870560, 5195264, 6494080, 7792896, 9741120, 10390528, 12988160, 15585792, 19482240, 20781056, 25976320, 31171584, 38964480, 51952640, 62343168, 77928960, 103905280, 155857920, 311715840]

約数ペア:

[(1, 311715840), (2, 155857920), (3, 103905280), (4, 77928960), (5, 62343168), (6, 51952640), (8, 38964480), (10, 31171584), (12, 25976320), (15, 20781056), (16, 19482240), (20, 15585792), (24, 12988160), (30, 10390528), (32, 9741120), (40, 7792896), (48, 6494080), (60, 5195264), (64, 4870560), (73, 4270080), (80, 3896448), (96, 3247040), (120, 2597632), (128, 2435280), (139, 2242560), (146, 2135040), (160, 1948224), (192, 1623520), (219, 1423360), (240, 1298816), (256, 1217640), (278, 1121280), (292, 1067520), (320, 974112), (365, 854016), (384, 811760), (417, 747520), (438, 711680), (480, 649408), (512, 608820), (556, 560640), (584, 533760), (640, 487056), (695, 448512), (730, 427008), (768, 405880), (834, 373760), (876, 355840), (960, 324704), (1024, 304410), (1095, 284672), (1112, 280320), (1168, 266880), (1280, 243528), (1390, 224256), (1460, 213504), (1536, 202940), (1668, 186880), (1752, 177920), (1920, 162352), (2048, 152205), (2085, 149504), (2190, 142336), (2224, 140160), (2336, 133440), (2560, 121764), (2780, 112128), (2920, 106752), (3072, 101470), (3336, 93440), (3504, 88960), (3840, 81176), (4170, 74752), (4380, 71168), (4448, 70080), (4672, 66720), (5120, 60882), (5560, 56064), (5840, 53376), (6144, 50735), (6672, 46720), (7008, 44480), (7680, 40588), (8340, 37376), (8760, 35584), (8896, 35040), (9344, 33360), (10147, 30720), (10240, 30441), (11120, 28032), (11680, 26688), (13344, 23360), (14016, 22240), (15360, 20294), (16680, 18688), (17520, 17792)]