639598176

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{743}}^1$

素因数の和:834

約数の個数: 216

約数和(自身を含む): 2153393424

約数和(自身を除く): 1513795248

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 61, 63, 72, 84, 96, 98, 112, 122, 126, 144, 147, 168, 183, 196, 224, 244, 252, 288, 294, 336, 366, 392, 427, 441, 488, 504, 549, 588, 672, 732, 743, 784, 854, 882, 976, 1008, 1098, 1176, 1281, 1464, 1486, 1568, 1708, 1764, 1952, 2016, 2196, 2229, 2352, 2562, 2928, 2972, 2989, 3416, 3528, 3843, 4392, 4458, 4704, 5124, 5201, 5856, 5944, 5978, 6687, 6832, 7056, 7686, 8784, 8916, 8967, 10248, 10402, 11888, 11956, 13374, 13664, 14112, 15372, 15603, 17568, 17832, 17934, 20496, 20804, 23776, 23912, 26748, 26901, 30744, 31206, 35664, 35868, 36407, 40992, 41608, 45323, 46809, 47824, 53496, 53802, 61488, 62412, 71328, 71736, 72814, 83216, 90646, 93618, 95648, 106992, 107604, 109221, 122976, 124824, 135969, 143472, 145628, 166432, 181292, 187236, 213984, 215208, 218442, 249648, 271938, 286944, 291256, 317261, 327663, 362584, 374472, 407907, 430416, 436884, 499296, 543876, 582512, 634522, 655326, 725168, 748944, 815814, 860832, 873768, 951783, 1087752, 1165024, 1269044, 1310652, 1450336, 1497888, 1631628, 1747536, 1903566, 2175504, 2220827, 2538088, 2621304, 2855349, 3263256, 3495072, 3807132, 4351008, 4441654, 5076176, 5242608, 5710698, 6526512, 6662481, 7614264, 8883308, 10152352, 10485216, 11421396, 13053024, 13324962, 15228528, 17766616, 19987443, 22842792, 26649924, 30457056, 35533232, 39974886, 45685584, 53299848, 71066464, 79949772, 91371168, 106599696, 159899544, 213199392, 319799088, 639598176]

約数ペア:

[(1, 639598176), (2, 319799088), (3, 213199392), (4, 159899544), (6, 106599696), (7, 91371168), (8, 79949772), (9, 71066464), (12, 53299848), (14, 45685584), (16, 39974886), (18, 35533232), (21, 30457056), (24, 26649924), (28, 22842792), (32, 19987443), (36, 17766616), (42, 15228528), (48, 13324962), (49, 13053024), (56, 11421396), (61, 10485216), (63, 10152352), (72, 8883308), (84, 7614264), (96, 6662481), (98, 6526512), (112, 5710698), (122, 5242608), (126, 5076176), (144, 4441654), (147, 4351008), (168, 3807132), (183, 3495072), (196, 3263256), (224, 2855349), (244, 2621304), (252, 2538088), (288, 2220827), (294, 2175504), (336, 1903566), (366, 1747536), (392, 1631628), (427, 1497888), (441, 1450336), (488, 1310652), (504, 1269044), (549, 1165024), (588, 1087752), (672, 951783), (732, 873768), (743, 860832), (784, 815814), (854, 748944), (882, 725168), (976, 655326), (1008, 634522), (1098, 582512), (1176, 543876), (1281, 499296), (1464, 436884), (1486, 430416), (1568, 407907), (1708, 374472), (1764, 362584), (1952, 327663), (2016, 317261), (2196, 291256), (2229, 286944), (2352, 271938), (2562, 249648), (2928, 218442), (2972, 215208), (2989, 213984), (3416, 187236), (3528, 181292), (3843, 166432), (4392, 145628), (4458, 143472), (4704, 135969), (5124, 124824), (5201, 122976), (5856, 109221), (5944, 107604), (5978, 106992), (6687, 95648), (6832, 93618), (7056, 90646), (7686, 83216), (8784, 72814), (8916, 71736), (8967, 71328), (10248, 62412), (10402, 61488), (11888, 53802), (11956, 53496), (13374, 47824), (13664, 46809), (14112, 45323), (15372, 41608), (15603, 40992), (17568, 36407), (17832, 35868), (17934, 35664), (20496, 31206), (20804, 30744), (23776, 26901), (23912, 26748)]