320144640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{317}}^1$

素因数の和:604

約数の個数: 144

約数和(自身を含む): 1029587328

約数和(自身を除く): 709442688

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, 240, 256, 263, 317, 320, 384, 480, 526, 634, 640, 768, 789, 951, 960, 1052, 1268, 1280, 1315, 1578, 1585, 1902, 1920, 2104, 2536, 2630, 3156, 3170, 3804, 3840, 3945, 4208, 4755, 5072, 5260, 6312, 6340, 7608, 7890, 8416, 9510, 10144, 10520, 12624, 12680, 15216, 15780, 16832, 19020, 20288, 21040, 25248, 25360, 30432, 31560, 33664, 38040, 40576, 42080, 50496, 50720, 60864, 63120, 67328, 76080, 81152, 83371, 84160, 100992, 101440, 121728, 126240, 152160, 166742, 168320, 201984, 202880, 243456, 250113, 252480, 304320, 333484, 336640, 405760, 416855, 500226, 504960, 608640, 666968, 833710, 1000452, 1009920, 1217280, 1250565, 1333936, 1667420, 2000904, 2501130, 2667872, 3334840, 4001808, 5002260, 5335744, 6669680, 8003616, 10004520, 10671488, 13339360, 16007232, 20009040, 21342976, 26678720, 32014464, 40018080, 53357440, 64028928, 80036160, 106714880, 160072320, 320144640]

約数ペア:

[(1, 320144640), (2, 160072320), (3, 106714880), (4, 80036160), (5, 64028928), (6, 53357440), (8, 40018080), (10, 32014464), (12, 26678720), (15, 21342976), (16, 20009040), (20, 16007232), (24, 13339360), (30, 10671488), (32, 10004520), (40, 8003616), (48, 6669680), (60, 5335744), (64, 5002260), (80, 4001808), (96, 3334840), (120, 2667872), (128, 2501130), (160, 2000904), (192, 1667420), (240, 1333936), (256, 1250565), (263, 1217280), (317, 1009920), (320, 1000452), (384, 833710), (480, 666968), (526, 608640), (634, 504960), (640, 500226), (768, 416855), (789, 405760), (951, 336640), (960, 333484), (1052, 304320), (1268, 252480), (1280, 250113), (1315, 243456), (1578, 202880), (1585, 201984), (1902, 168320), (1920, 166742), (2104, 152160), (2536, 126240), (2630, 121728), (3156, 101440), (3170, 100992), (3804, 84160), (3840, 83371), (3945, 81152), (4208, 76080), (4755, 67328), (5072, 63120), (5260, 60864), (6312, 50720), (6340, 50496), (7608, 42080), (7890, 40576), (8416, 38040), (9510, 33664), (10144, 31560), (10520, 30432), (12624, 25360), (12680, 25248), (15216, 21040), (15780, 20288), (16832, 19020)]