490636080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61949}}^1$

素因数の和:61979

約数の個数: 120

約数和(自身を含む): 1797541200

約数和(自身を除く): 1306905120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 61949, 123898, 185847, 247796, 309745, 371694, 495592, 557541, 619490, 681439, 743388, 929235, 991184, 1115082, 1238980, 1362878, 1486776, 1858470, 2044317, 2230164, 2477960, 2725756, 2787705, 2973552, 3407195, 3716940, 4088634, 4460328, 4955920, 5451512, 5575410, 6132951, 6814390, 7433880, 8177268, 8920656, 10221585, 10903024, 11150820, 12265902, 13628780, 14867760, 16354536, 20443170, 22301640, 24531804, 27257560, 30664755, 32709072, 40886340, 44603280, 49063608, 54515120, 61329510, 81772680, 98127216, 122659020, 163545360, 245318040, 490636080]

約数ペア:

[(1, 490636080), (2, 245318040), (3, 163545360), (4, 122659020), (5, 98127216), (6, 81772680), (8, 61329510), (9, 54515120), (10, 49063608), (11, 44603280), (12, 40886340), (15, 32709072), (16, 30664755), (18, 27257560), (20, 24531804), (22, 22301640), (24, 20443170), (30, 16354536), (33, 14867760), (36, 13628780), (40, 12265902), (44, 11150820), (45, 10903024), (48, 10221585), (55, 8920656), (60, 8177268), (66, 7433880), (72, 6814390), (80, 6132951), (88, 5575410), (90, 5451512), (99, 4955920), (110, 4460328), (120, 4088634), (132, 3716940), (144, 3407195), (165, 2973552), (176, 2787705), (180, 2725756), (198, 2477960), (220, 2230164), (240, 2044317), (264, 1858470), (330, 1486776), (360, 1362878), (396, 1238980), (440, 1115082), (495, 991184), (528, 929235), (660, 743388), (720, 681439), (792, 619490), (880, 557541), (990, 495592), (1320, 371694), (1584, 309745), (1980, 247796), (2640, 185847), (3960, 123898), (7920, 61949)]