245870240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2851}}^1$

素因数の和:2891

約数の個数: 144

約数和(自身を含む): 737390304

約数和(自身を除く): 491520064

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1120, 1232, 1540, 1568, 1760, 1960, 2156, 2464, 2695, 2851, 3080, 3920, 4312, 5390, 5702, 6160, 7840, 8624, 10780, 11404, 12320, 14255, 17248, 19957, 21560, 22808, 28510, 31361, 39914, 43120, 45616, 57020, 62722, 79828, 86240, 91232, 99785, 114040, 125444, 139699, 156805, 159656, 199570, 219527, 228080, 250888, 279398, 313610, 319312, 399140, 439054, 456160, 501776, 558796, 627220, 638624, 698495, 798280, 878108, 1003552, 1097635, 1117592, 1254440, 1396990, 1536689, 1596560, 1756216, 2195270, 2235184, 2508880, 2793980, 3073378, 3193120, 3512432, 4390540, 4470368, 5017760, 5587960, 6146756, 7024864, 7683445, 8781080, 11175920, 12293512, 15366890, 17562160, 22351840, 24587024, 30733780, 35124320, 49174048, 61467560, 122935120, 245870240]

約数ペア:

[(1, 245870240), (2, 122935120), (4, 61467560), (5, 49174048), (7, 35124320), (8, 30733780), (10, 24587024), (11, 22351840), (14, 17562160), (16, 15366890), (20, 12293512), (22, 11175920), (28, 8781080), (32, 7683445), (35, 7024864), (40, 6146756), (44, 5587960), (49, 5017760), (55, 4470368), (56, 4390540), (70, 3512432), (77, 3193120), (80, 3073378), (88, 2793980), (98, 2508880), (110, 2235184), (112, 2195270), (140, 1756216), (154, 1596560), (160, 1536689), (176, 1396990), (196, 1254440), (220, 1117592), (224, 1097635), (245, 1003552), (280, 878108), (308, 798280), (352, 698495), (385, 638624), (392, 627220), (440, 558796), (490, 501776), (539, 456160), (560, 439054), (616, 399140), (770, 319312), (784, 313610), (880, 279398), (980, 250888), (1078, 228080), (1120, 219527), (1232, 199570), (1540, 159656), (1568, 156805), (1760, 139699), (1960, 125444), (2156, 114040), (2464, 99785), (2695, 91232), (2851, 86240), (3080, 79828), (3920, 62722), (4312, 57020), (5390, 45616), (5702, 43120), (6160, 39914), (7840, 31361), (8624, 28510), (10780, 22808), (11404, 21560), (12320, 19957), (14255, 17248)]