205883520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{683}}^1$

素因数の和:862

約数の個数: 128

約数和(自身を含む): 661400640

約数和(自身を除く): 455517120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 157, 160, 192, 240, 314, 320, 384, 471, 480, 628, 640, 683, 785, 942, 960, 1256, 1366, 1570, 1884, 1920, 2049, 2355, 2512, 2732, 3140, 3415, 3768, 4098, 4710, 5024, 5464, 6280, 6830, 7536, 8196, 9420, 10048, 10245, 10928, 12560, 13660, 15072, 16392, 18840, 20096, 20490, 21856, 25120, 27320, 30144, 32784, 37680, 40980, 43712, 50240, 54640, 60288, 65568, 75360, 81960, 87424, 100480, 107231, 109280, 131136, 150720, 163920, 214462, 218560, 262272, 301440, 321693, 327840, 428924, 437120, 536155, 643386, 655680, 857848, 1072310, 1286772, 1311360, 1608465, 1715696, 2144620, 2573544, 3216930, 3431392, 4289240, 5147088, 6433860, 6862784, 8578480, 10294176, 12867720, 13725568, 17156960, 20588352, 25735440, 34313920, 41176704, 51470880, 68627840, 102941760, 205883520]

約数ペア:

[(1, 205883520), (2, 102941760), (3, 68627840), (4, 51470880), (5, 41176704), (6, 34313920), (8, 25735440), (10, 20588352), (12, 17156960), (15, 13725568), (16, 12867720), (20, 10294176), (24, 8578480), (30, 6862784), (32, 6433860), (40, 5147088), (48, 4289240), (60, 3431392), (64, 3216930), (80, 2573544), (96, 2144620), (120, 1715696), (128, 1608465), (157, 1311360), (160, 1286772), (192, 1072310), (240, 857848), (314, 655680), (320, 643386), (384, 536155), (471, 437120), (480, 428924), (628, 327840), (640, 321693), (683, 301440), (785, 262272), (942, 218560), (960, 214462), (1256, 163920), (1366, 150720), (1570, 131136), (1884, 109280), (1920, 107231), (2049, 100480), (2355, 87424), (2512, 81960), (2732, 75360), (3140, 65568), (3415, 60288), (3768, 54640), (4098, 50240), (4710, 43712), (5024, 40980), (5464, 37680), (6280, 32784), (6830, 30144), (7536, 27320), (8196, 25120), (9420, 21856), (10048, 20490), (10245, 20096), (10928, 18840), (12560, 16392), (13660, 15072)]