31980800

素因数分解:

$2^8\times 5^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:308

約数の個数: 108

約数和(自身を含む): 83640480

約数和(自身を除く): 51659680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 152, 160, 190, 200, 256, 263, 304, 320, 380, 400, 475, 526, 608, 640, 760, 800, 950, 1052, 1216, 1280, 1315, 1520, 1600, 1900, 2104, 2432, 2630, 3040, 3200, 3800, 4208, 4864, 4997, 5260, 6080, 6400, 6575, 7600, 8416, 9994, 10520, 12160, 13150, 15200, 16832, 19988, 21040, 24320, 24985, 26300, 30400, 33664, 39976, 42080, 49970, 52600, 60800, 67328, 79952, 84160, 99940, 105200, 121600, 124925, 159904, 168320, 199880, 210400, 249850, 319808, 336640, 399760, 420800, 499700, 639616, 799520, 841600, 999400, 1279232, 1599040, 1683200, 1998800, 3198080, 3997600, 6396160, 7995200, 15990400, 31980800]

約数ペア:

[(1, 31980800), (2, 15990400), (4, 7995200), (5, 6396160), (8, 3997600), (10, 3198080), (16, 1998800), (19, 1683200), (20, 1599040), (25, 1279232), (32, 999400), (38, 841600), (40, 799520), (50, 639616), (64, 499700), (76, 420800), (80, 399760), (95, 336640), (100, 319808), (128, 249850), (152, 210400), (160, 199880), (190, 168320), (200, 159904), (256, 124925), (263, 121600), (304, 105200), (320, 99940), (380, 84160), (400, 79952), (475, 67328), (526, 60800), (608, 52600), (640, 49970), (760, 42080), (800, 39976), (950, 33664), (1052, 30400), (1216, 26300), (1280, 24985), (1315, 24320), (1520, 21040), (1600, 19988), (1900, 16832), (2104, 15200), (2432, 13150), (2630, 12160), (3040, 10520), (3200, 9994), (3800, 8416), (4208, 7600), (4864, 6575), (4997, 6400), (5260, 6080)]