155157200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:405

約数の個数: 120

約数和(自身を含む): 411000480

約数和(自身を除く): 255843280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 179, 197, 200, 220, 275, 358, 394, 400, 440, 550, 716, 788, 880, 895, 985, 1100, 1432, 1576, 1790, 1969, 1970, 2167, 2200, 2864, 3152, 3580, 3938, 3940, 4334, 4400, 4475, 4925, 7160, 7876, 7880, 8668, 8950, 9845, 9850, 10835, 14320, 15752, 15760, 17336, 17900, 19690, 19700, 21670, 31504, 34672, 35263, 35800, 39380, 39400, 43340, 49225, 54175, 70526, 71600, 78760, 78800, 86680, 98450, 108350, 141052, 157520, 173360, 176315, 196900, 216700, 282104, 352630, 387893, 393800, 433400, 564208, 705260, 775786, 787600, 866800, 881575, 1410520, 1551572, 1763150, 1939465, 2821040, 3103144, 3526300, 3878930, 6206288, 7052600, 7757860, 9697325, 14105200, 15515720, 19394650, 31031440, 38789300, 77578600, 155157200]

約数ペア:

[(1, 155157200), (2, 77578600), (4, 38789300), (5, 31031440), (8, 19394650), (10, 15515720), (11, 14105200), (16, 9697325), (20, 7757860), (22, 7052600), (25, 6206288), (40, 3878930), (44, 3526300), (50, 3103144), (55, 2821040), (80, 1939465), (88, 1763150), (100, 1551572), (110, 1410520), (176, 881575), (179, 866800), (197, 787600), (200, 775786), (220, 705260), (275, 564208), (358, 433400), (394, 393800), (400, 387893), (440, 352630), (550, 282104), (716, 216700), (788, 196900), (880, 176315), (895, 173360), (985, 157520), (1100, 141052), (1432, 108350), (1576, 98450), (1790, 86680), (1969, 78800), (1970, 78760), (2167, 71600), (2200, 70526), (2864, 54175), (3152, 49225), (3580, 43340), (3938, 39400), (3940, 39380), (4334, 35800), (4400, 35263), (4475, 34672), (4925, 31504), (7160, 21670), (7876, 19700), (7880, 19690), (8668, 17900), (8950, 17336), (9845, 15760), (9850, 15752), (10835, 14320)]