12439904000

素因数分解:

$2^8\times 5^3\times {\mathrm{127}}^1\times {\mathrm{3061}}^1$

素因数の和:3219

約数の個数: 144

約数和(自身を含む): 31243570176

約数和(自身を除く): 18803666176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 127, 128, 160, 200, 250, 254, 256, 320, 400, 500, 508, 635, 640, 800, 1000, 1016, 1270, 1280, 1600, 2000, 2032, 2540, 3061, 3175, 3200, 4000, 4064, 5080, 6122, 6350, 6400, 8000, 8128, 10160, 12244, 12700, 15305, 15875, 16000, 16256, 20320, 24488, 25400, 30610, 31750, 32000, 32512, 40640, 48976, 50800, 61220, 63500, 76525, 81280, 97952, 101600, 122440, 127000, 153050, 162560, 195904, 203200, 244880, 254000, 306100, 382625, 388747, 391808, 406400, 489760, 508000, 612200, 765250, 777494, 783616, 812800, 979520, 1016000, 1224400, 1530500, 1554988, 1943735, 1959040, 2032000, 2448800, 3061000, 3109976, 3887470, 3918080, 4064000, 4897600, 6122000, 6219952, 7774940, 9718675, 9795200, 12244000, 12439904, 15549880, 19437350, 19590400, 24488000, 24879808, 31099760, 38874700, 48593375, 48976000, 49759616, 62199520, 77749400, 97186750, 97952000, 99519232, 124399040, 155498800, 194373500, 248798080, 310997600, 388747000, 497596160, 621995200, 777494000, 1243990400, 1554988000, 2487980800, 3109976000, 6219952000, 12439904000]

約数ペア:

[(1, 12439904000), (2, 6219952000), (4, 3109976000), (5, 2487980800), (8, 1554988000), (10, 1243990400), (16, 777494000), (20, 621995200), (25, 497596160), (32, 388747000), (40, 310997600), (50, 248798080), (64, 194373500), (80, 155498800), (100, 124399040), (125, 99519232), (127, 97952000), (128, 97186750), (160, 77749400), (200, 62199520), (250, 49759616), (254, 48976000), (256, 48593375), (320, 38874700), (400, 31099760), (500, 24879808), (508, 24488000), (635, 19590400), (640, 19437350), (800, 15549880), (1000, 12439904), (1016, 12244000), (1270, 9795200), (1280, 9718675), (1600, 7774940), (2000, 6219952), (2032, 6122000), (2540, 4897600), (3061, 4064000), (3175, 3918080), (3200, 3887470), (4000, 3109976), (4064, 3061000), (5080, 2448800), (6122, 2032000), (6350, 1959040), (6400, 1943735), (8000, 1554988), (8128, 1530500), (10160, 1224400), (12244, 1016000), (12700, 979520), (15305, 812800), (15875, 783616), (16000, 777494), (16256, 765250), (20320, 612200), (24488, 508000), (25400, 489760), (30610, 406400), (31750, 391808), (32000, 388747), (32512, 382625), (40640, 306100), (48976, 254000), (50800, 244880), (61220, 203200), (63500, 195904), (76525, 162560), (81280, 153050), (97952, 127000), (101600, 122440)]