28779520

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1$

素因数の和:116

約数の個数: 176

約数和(自身を含む): 87251328

約数和(自身を除く): 58471808

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 73, 77, 80, 88, 110, 112, 128, 140, 146, 154, 160, 176, 220, 224, 256, 280, 292, 308, 320, 352, 365, 385, 440, 448, 511, 512, 560, 584, 616, 640, 704, 730, 770, 803, 880, 896, 1022, 1024, 1120, 1168, 1232, 1280, 1408, 1460, 1540, 1606, 1760, 1792, 2044, 2240, 2336, 2464, 2555, 2560, 2816, 2920, 3080, 3212, 3520, 3584, 4015, 4088, 4480, 4672, 4928, 5110, 5120, 5621, 5632, 5840, 6160, 6424, 7040, 7168, 8030, 8176, 8960, 9344, 9856, 10220, 11242, 11264, 11680, 12320, 12848, 14080, 16060, 16352, 17920, 18688, 19712, 20440, 22484, 23360, 24640, 25696, 28105, 28160, 32120, 32704, 35840, 37376, 39424, 40880, 44968, 46720, 49280, 51392, 56210, 56320, 64240, 65408, 74752, 78848, 81760, 89936, 93440, 98560, 102784, 112420, 128480, 130816, 163520, 179872, 186880, 197120, 205568, 224840, 256960, 261632, 327040, 359744, 373760, 394240, 411136, 449680, 513920, 523264, 654080, 719488, 822272, 899360, 1027840, 1308160, 1438976, 1798720, 2055680, 2616320, 2877952, 3597440, 4111360, 5755904, 7194880, 14389760, 28779520]

約数ペア:

[(1, 28779520), (2, 14389760), (4, 7194880), (5, 5755904), (7, 4111360), (8, 3597440), (10, 2877952), (11, 2616320), (14, 2055680), (16, 1798720), (20, 1438976), (22, 1308160), (28, 1027840), (32, 899360), (35, 822272), (40, 719488), (44, 654080), (55, 523264), (56, 513920), (64, 449680), (70, 411136), (73, 394240), (77, 373760), (80, 359744), (88, 327040), (110, 261632), (112, 256960), (128, 224840), (140, 205568), (146, 197120), (154, 186880), (160, 179872), (176, 163520), (220, 130816), (224, 128480), (256, 112420), (280, 102784), (292, 98560), (308, 93440), (320, 89936), (352, 81760), (365, 78848), (385, 74752), (440, 65408), (448, 64240), (511, 56320), (512, 56210), (560, 51392), (584, 49280), (616, 46720), (640, 44968), (704, 40880), (730, 39424), (770, 37376), (803, 35840), (880, 32704), (896, 32120), (1022, 28160), (1024, 28105), (1120, 25696), (1168, 24640), (1232, 23360), (1280, 22484), (1408, 20440), (1460, 19712), (1540, 18688), (1606, 17920), (1760, 16352), (1792, 16060), (2044, 14080), (2240, 12848), (2336, 12320), (2464, 11680), (2555, 11264), (2560, 11242), (2816, 10220), (2920, 9856), (3080, 9344), (3212, 8960), (3520, 8176), (3584, 8030), (4015, 7168), (4088, 7040), (4480, 6424), (4672, 6160), (4928, 5840), (5110, 5632), (5120, 5621)]