161984640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{353}}^1$

素因数の和:614

約数の個数: 128

約数和(自身を含む): 519955200

約数和(自身を除く): 357970560

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, 160, 192, 239, 240, 320, 353, 384, 478, 480, 640, 706, 717, 956, 960, 1059, 1195, 1412, 1434, 1765, 1912, 1920, 2118, 2390, 2824, 2868, 3530, 3585, 3824, 4236, 4780, 5295, 5648, 5736, 7060, 7170, 7648, 8472, 9560, 10590, 11296, 11472, 14120, 14340, 15296, 16944, 19120, 21180, 22592, 22944, 28240, 28680, 30592, 33888, 38240, 42360, 45184, 45888, 56480, 57360, 67776, 76480, 84367, 84720, 91776, 112960, 114720, 135552, 152960, 168734, 169440, 225920, 229440, 253101, 337468, 338880, 421835, 458880, 506202, 674936, 677760, 843670, 1012404, 1265505, 1349872, 1687340, 2024808, 2531010, 2699744, 3374680, 4049616, 5062020, 5399488, 6749360, 8099232, 10124040, 10798976, 13498720, 16198464, 20248080, 26997440, 32396928, 40496160, 53994880, 80992320, 161984640]

約数ペア:

[(1, 161984640), (2, 80992320), (3, 53994880), (4, 40496160), (5, 32396928), (6, 26997440), (8, 20248080), (10, 16198464), (12, 13498720), (15, 10798976), (16, 10124040), (20, 8099232), (24, 6749360), (30, 5399488), (32, 5062020), (40, 4049616), (48, 3374680), (60, 2699744), (64, 2531010), (80, 2024808), (96, 1687340), (120, 1349872), (128, 1265505), (160, 1012404), (192, 843670), (239, 677760), (240, 674936), (320, 506202), (353, 458880), (384, 421835), (478, 338880), (480, 337468), (640, 253101), (706, 229440), (717, 225920), (956, 169440), (960, 168734), (1059, 152960), (1195, 135552), (1412, 114720), (1434, 112960), (1765, 91776), (1912, 84720), (1920, 84367), (2118, 76480), (2390, 67776), (2824, 57360), (2868, 56480), (3530, 45888), (3585, 45184), (3824, 42360), (4236, 38240), (4780, 33888), (5295, 30592), (5648, 28680), (5736, 28240), (7060, 22944), (7170, 22592), (7648, 21180), (8472, 19120), (9560, 16944), (10590, 15296), (11296, 14340), (11472, 14120)]