990290569728

素因数分解:

$2^9\times 3^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{70981}}^1$

素因数の和:71326

約数の個数: 160

約数和(自身を含む): 2732632100352

約数和(自身を除く): 1742341530624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 293, 372, 384, 496, 512, 586, 744, 768, 879, 992, 1172, 1488, 1536, 1758, 1984, 2344, 2976, 3516, 3968, 4688, 5952, 7032, 7936, 9083, 9376, 11904, 14064, 15872, 18166, 18752, 23808, 27249, 28128, 36332, 37504, 47616, 54498, 56256, 70981, 72664, 75008, 108996, 112512, 141962, 145328, 150016, 212943, 217992, 225024, 283924, 290656, 425886, 435984, 450048, 567848, 581312, 851772, 871968, 1135696, 1162624, 1703544, 1743936, 2200411, 2271392, 2325248, 3407088, 3487872, 4400822, 4542784, 4650496, 6601233, 6814176, 6975744, 8801644, 9085568, 13202466, 13628352, 13951488, 17603288, 18171136, 20797433, 26404932, 27256704, 35206576, 36342272, 41594866, 52809864, 54513408, 62392299, 70413152, 83189732, 105619728, 109026816, 124784598, 140826304, 166379464, 211239456, 249569196, 281652608, 332758928, 422478912, 499138392, 563305216, 644720423, 665517856, 844957824, 998276784, 1126610432, 1289440846, 1331035712, 1689915648, 1934161269, 1996553568, 2578881692, 2662071424, 3379831296, 3868322538, 3993107136, 5157763384, 5324142848, 7736645076, 7986214272, 10315526768, 10648285696, 15473290152, 15972428544, 20631053536, 30946580304, 31944857088, 41262107072, 61893160608, 82524214144, 123786321216, 165048428288, 247572642432, 330096856576, 495145284864, 990290569728]

約数ペア:

[(1, 990290569728), (2, 495145284864), (3, 330096856576), (4, 247572642432), (6, 165048428288), (8, 123786321216), (12, 82524214144), (16, 61893160608), (24, 41262107072), (31, 31944857088), (32, 30946580304), (48, 20631053536), (62, 15972428544), (64, 15473290152), (93, 10648285696), (96, 10315526768), (124, 7986214272), (128, 7736645076), (186, 5324142848), (192, 5157763384), (248, 3993107136), (256, 3868322538), (293, 3379831296), (372, 2662071424), (384, 2578881692), (496, 1996553568), (512, 1934161269), (586, 1689915648), (744, 1331035712), (768, 1289440846), (879, 1126610432), (992, 998276784), (1172, 844957824), (1488, 665517856), (1536, 644720423), (1758, 563305216), (1984, 499138392), (2344, 422478912), (2976, 332758928), (3516, 281652608), (3968, 249569196), (4688, 211239456), (5952, 166379464), (7032, 140826304), (7936, 124784598), (9083, 109026816), (9376, 105619728), (11904, 83189732), (14064, 70413152), (15872, 62392299), (18166, 54513408), (18752, 52809864), (23808, 41594866), (27249, 36342272), (28128, 35206576), (36332, 27256704), (37504, 26404932), (47616, 20797433), (54498, 18171136), (56256, 17603288), (70981, 13951488), (72664, 13628352), (75008, 13202466), (108996, 9085568), (112512, 8801644), (141962, 6975744), (145328, 6814176), (150016, 6601233), (212943, 4650496), (217992, 4542784), (225024, 4400822), (283924, 3487872), (290656, 3407088), (425886, 2325248), (435984, 2271392), (450048, 2200411), (567848, 1743936), (581312, 1703544), (851772, 1162624), (871968, 1135696)]