217469440

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:322

約数の個数: 160

約数和(自身を含む): 583355520

約数和(自身を除く): 365886080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 170, 190, 256, 263, 272, 304, 320, 323, 340, 380, 512, 526, 544, 608, 640, 646, 680, 760, 1052, 1088, 1216, 1280, 1292, 1315, 1360, 1520, 1615, 2104, 2176, 2432, 2560, 2584, 2630, 2720, 3040, 3230, 4208, 4352, 4471, 4864, 4997, 5168, 5260, 5440, 6080, 6460, 8416, 8704, 8942, 9728, 9994, 10336, 10520, 10880, 12160, 12920, 16832, 17884, 19988, 20672, 21040, 21760, 22355, 24320, 24985, 25840, 33664, 35768, 39976, 41344, 42080, 43520, 44710, 48640, 49970, 51680, 67328, 71536, 79952, 82688, 84160, 84949, 89420, 99940, 103360, 134656, 143072, 159904, 165376, 168320, 169898, 178840, 199880, 206720, 286144, 319808, 336640, 339796, 357680, 399760, 413440, 424745, 572288, 639616, 673280, 679592, 715360, 799520, 826880, 849490, 1144576, 1279232, 1359184, 1430720, 1599040, 1698980, 2289152, 2558464, 2718368, 2861440, 3198080, 3397960, 5436736, 5722880, 6396160, 6795920, 10873472, 11445760, 12792320, 13591840, 21746944, 27183680, 43493888, 54367360, 108734720, 217469440]

約数ペア:

[(1, 217469440), (2, 108734720), (4, 54367360), (5, 43493888), (8, 27183680), (10, 21746944), (16, 13591840), (17, 12792320), (19, 11445760), (20, 10873472), (32, 6795920), (34, 6396160), (38, 5722880), (40, 5436736), (64, 3397960), (68, 3198080), (76, 2861440), (80, 2718368), (85, 2558464), (95, 2289152), (128, 1698980), (136, 1599040), (152, 1430720), (160, 1359184), (170, 1279232), (190, 1144576), (256, 849490), (263, 826880), (272, 799520), (304, 715360), (320, 679592), (323, 673280), (340, 639616), (380, 572288), (512, 424745), (526, 413440), (544, 399760), (608, 357680), (640, 339796), (646, 336640), (680, 319808), (760, 286144), (1052, 206720), (1088, 199880), (1216, 178840), (1280, 169898), (1292, 168320), (1315, 165376), (1360, 159904), (1520, 143072), (1615, 134656), (2104, 103360), (2176, 99940), (2432, 89420), (2560, 84949), (2584, 84160), (2630, 82688), (2720, 79952), (3040, 71536), (3230, 67328), (4208, 51680), (4352, 49970), (4471, 48640), (4864, 44710), (4997, 43520), (5168, 42080), (5260, 41344), (5440, 39976), (6080, 35768), (6460, 33664), (8416, 25840), (8704, 24985), (8942, 24320), (9728, 22355), (9994, 21760), (10336, 21040), (10520, 20672), (10880, 19988), (12160, 17884), (12920, 16832)]