1239520000

素因数分解:

$2^8\times 5^4\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 180

約数和(自身を含む): 3167186176

約数和(自身を除く): 1927666176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 125, 127, 128, 160, 200, 244, 250, 254, 256, 305, 320, 400, 488, 500, 508, 610, 625, 635, 640, 800, 976, 1000, 1016, 1220, 1250, 1270, 1280, 1525, 1600, 1952, 2000, 2032, 2440, 2500, 2540, 3050, 3175, 3200, 3904, 4000, 4064, 4880, 5000, 5080, 6100, 6350, 6400, 7625, 7747, 7808, 8000, 8128, 9760, 10000, 10160, 12200, 12700, 15250, 15494, 15616, 15875, 16000, 16256, 19520, 20000, 20320, 24400, 25400, 30500, 30988, 31750, 32000, 32512, 38125, 38735, 39040, 40000, 40640, 48800, 50800, 61000, 61976, 63500, 76250, 77470, 78080, 79375, 80000, 81280, 97600, 101600, 122000, 123952, 127000, 152500, 154940, 158750, 160000, 162560, 193675, 195200, 203200, 244000, 247904, 254000, 305000, 309880, 317500, 387350, 390400, 406400, 488000, 495808, 508000, 610000, 619760, 635000, 774700, 812800, 968375, 976000, 991616, 1016000, 1220000, 1239520, 1270000, 1549400, 1936750, 1952000, 1983232, 2032000, 2440000, 2479040, 2540000, 3098800, 3873500, 4064000, 4841875, 4880000, 4958080, 5080000, 6197600, 7747000, 9683750, 9760000, 9916160, 10160000, 12395200, 15494000, 19367500, 20320000, 24790400, 30988000, 38735000, 49580800, 61976000, 77470000, 123952000, 154940000, 247904000, 309880000, 619760000, 1239520000]

約数ペア:

[(1, 1239520000), (2, 619760000), (4, 309880000), (5, 247904000), (8, 154940000), (10, 123952000), (16, 77470000), (20, 61976000), (25, 49580800), (32, 38735000), (40, 30988000), (50, 24790400), (61, 20320000), (64, 19367500), (80, 15494000), (100, 12395200), (122, 10160000), (125, 9916160), (127, 9760000), (128, 9683750), (160, 7747000), (200, 6197600), (244, 5080000), (250, 4958080), (254, 4880000), (256, 4841875), (305, 4064000), (320, 3873500), (400, 3098800), (488, 2540000), (500, 2479040), (508, 2440000), (610, 2032000), (625, 1983232), (635, 1952000), (640, 1936750), (800, 1549400), (976, 1270000), (1000, 1239520), (1016, 1220000), (1220, 1016000), (1250, 991616), (1270, 976000), (1280, 968375), (1525, 812800), (1600, 774700), (1952, 635000), (2000, 619760), (2032, 610000), (2440, 508000), (2500, 495808), (2540, 488000), (3050, 406400), (3175, 390400), (3200, 387350), (3904, 317500), (4000, 309880), (4064, 305000), (4880, 254000), (5000, 247904), (5080, 244000), (6100, 203200), (6350, 195200), (6400, 193675), (7625, 162560), (7747, 160000), (7808, 158750), (8000, 154940), (8128, 152500), (9760, 127000), (10000, 123952), (10160, 122000), (12200, 101600), (12700, 97600), (15250, 81280), (15494, 80000), (15616, 79375), (15875, 78080), (16000, 77470), (16256, 76250), (19520, 63500), (20000, 61976), (20320, 61000), (24400, 50800), (25400, 48800), (30500, 40640), (30988, 40000), (31750, 39040), (32000, 38735), (32512, 38125)]