205012800

素因数分解:

$2^6\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:670

約数の個数: 252

約数和(自身を含む): 761573280

約数和(自身を除く): 556560480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 25, 30, 32, 36, 40, 45, 46, 48, 50, 60, 64, 69, 72, 75, 80, 90, 92, 96, 100, 115, 120, 138, 144, 150, 160, 180, 184, 192, 200, 207, 225, 230, 240, 276, 288, 300, 320, 345, 360, 368, 400, 414, 450, 460, 480, 552, 575, 576, 600, 619, 690, 720, 736, 800, 828, 900, 920, 960, 1035, 1104, 1150, 1200, 1238, 1380, 1440, 1472, 1600, 1656, 1725, 1800, 1840, 1857, 2070, 2208, 2300, 2400, 2476, 2760, 2880, 3095, 3312, 3450, 3600, 3680, 3714, 4140, 4416, 4600, 4800, 4952, 5175, 5520, 5571, 6190, 6624, 6900, 7200, 7360, 7428, 8280, 9200, 9285, 9904, 10350, 11040, 11142, 12380, 13248, 13800, 14237, 14400, 14856, 15475, 16560, 18400, 18570, 19808, 20700, 22080, 22284, 24760, 27600, 27855, 28474, 29712, 30950, 33120, 36800, 37140, 39616, 41400, 42711, 44568, 46425, 49520, 55200, 55710, 56948, 59424, 61900, 66240, 71185, 74280, 82800, 85422, 89136, 92850, 99040, 110400, 111420, 113896, 118848, 123800, 128133, 139275, 142370, 148560, 165600, 170844, 178272, 185700, 198080, 213555, 222840, 227792, 247600, 256266, 278550, 284740, 297120, 331200, 341688, 355925, 356544, 371400, 427110, 445680, 455584, 495200, 512532, 557100, 569480, 594240, 640665, 683376, 711850, 742800, 854220, 891360, 911168, 990400, 1025064, 1067775, 1114200, 1138960, 1281330, 1366752, 1423700, 1485600, 1708440, 1782720, 2050128, 2135550, 2228400, 2277920, 2562660, 2733504, 2847400, 2971200, 3203325, 3416880, 4100256, 4271100, 4456800, 4555840, 5125320, 5694800, 6406650, 6833760, 8200512, 8542200, 8913600, 10250640, 11389600, 12813300, 13667520, 17084400, 20501280, 22779200, 25626600, 34168800, 41002560, 51253200, 68337600, 102506400, 205012800]

約数ペア:

[(1, 205012800), (2, 102506400), (3, 68337600), (4, 51253200), (5, 41002560), (6, 34168800), (8, 25626600), (9, 22779200), (10, 20501280), (12, 17084400), (15, 13667520), (16, 12813300), (18, 11389600), (20, 10250640), (23, 8913600), (24, 8542200), (25, 8200512), (30, 6833760), (32, 6406650), (36, 5694800), (40, 5125320), (45, 4555840), (46, 4456800), (48, 4271100), (50, 4100256), (60, 3416880), (64, 3203325), (69, 2971200), (72, 2847400), (75, 2733504), (80, 2562660), (90, 2277920), (92, 2228400), (96, 2135550), (100, 2050128), (115, 1782720), (120, 1708440), (138, 1485600), (144, 1423700), (150, 1366752), (160, 1281330), (180, 1138960), (184, 1114200), (192, 1067775), (200, 1025064), (207, 990400), (225, 911168), (230, 891360), (240, 854220), (276, 742800), (288, 711850), (300, 683376), (320, 640665), (345, 594240), (360, 569480), (368, 557100), (400, 512532), (414, 495200), (450, 455584), (460, 445680), (480, 427110), (552, 371400), (575, 356544), (576, 355925), (600, 341688), (619, 331200), (690, 297120), (720, 284740), (736, 278550), (800, 256266), (828, 247600), (900, 227792), (920, 222840), (960, 213555), (1035, 198080), (1104, 185700), (1150, 178272), (1200, 170844), (1238, 165600), (1380, 148560), (1440, 142370), (1472, 139275), (1600, 128133), (1656, 123800), (1725, 118848), (1800, 113896), (1840, 111420), (1857, 110400), (2070, 99040), (2208, 92850), (2300, 89136), (2400, 85422), (2476, 82800), (2760, 74280), (2880, 71185), (3095, 66240), (3312, 61900), (3450, 59424), (3600, 56948), (3680, 55710), (3714, 55200), (4140, 49520), (4416, 46425), (4600, 44568), (4800, 42711), (4952, 41400), (5175, 39616), (5520, 37140), (5571, 36800), (6190, 33120), (6624, 30950), (6900, 29712), (7200, 28474), (7360, 27855), (7428, 27600), (8280, 24760), (9200, 22284), (9285, 22080), (9904, 20700), (10350, 19808), (11040, 18570), (11142, 18400), (12380, 16560), (13248, 15475), (13800, 14856), (14237, 14400)]