1980026048

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1071

約数の個数: 224

約数和(自身を含む): 5451091968

約数和(自身を除く): 3471065920

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 31, 32, 44, 52, 56, 62, 64, 77, 88, 91, 104, 112, 124, 143, 154, 176, 182, 208, 217, 224, 248, 286, 308, 341, 352, 364, 403, 416, 434, 448, 496, 572, 616, 682, 704, 728, 806, 832, 868, 992, 997, 1001, 1144, 1232, 1364, 1456, 1612, 1736, 1984, 1994, 2002, 2288, 2387, 2464, 2728, 2821, 2912, 3224, 3472, 3988, 4004, 4433, 4576, 4774, 4928, 5456, 5642, 5824, 6448, 6944, 6979, 7976, 8008, 8866, 9152, 9548, 10912, 10967, 11284, 12896, 12961, 13888, 13958, 15952, 16016, 17732, 19096, 21824, 21934, 22568, 25792, 25922, 27916, 30907, 31031, 31904, 32032, 35464, 38192, 43868, 45136, 51844, 55832, 61814, 62062, 63808, 64064, 70928, 76384, 76769, 87736, 90272, 90727, 103688, 111664, 123628, 124124, 141856, 142571, 152768, 153538, 175472, 180544, 181454, 207376, 216349, 223328, 247256, 248248, 283712, 285142, 307076, 339977, 350944, 362908, 401791, 414752, 432698, 446656, 494512, 496496, 570284, 614152, 679954, 701888, 725816, 803582, 829504, 865396, 989024, 992992, 997997, 1140568, 1228304, 1359908, 1451632, 1607164, 1730792, 1978048, 1985984, 1995994, 2281136, 2379839, 2456608, 2719816, 2812537, 2903264, 3214328, 3461584, 3991988, 4419701, 4562272, 4759678, 4913216, 5439632, 5625074, 5806528, 6428656, 6923168, 7983976, 8839402, 9124544, 9519356, 10879264, 11250148, 12857312, 13846336, 15967952, 17678804, 19038712, 21758528, 22500296, 25714624, 30937907, 31935904, 35357608, 38077424, 45000592, 61875814, 63871808, 70715216, 76154848, 90001184, 123751628, 141430432, 152309696, 180002368, 247503256, 282860864, 495006512, 990013024, 1980026048]

約数ペア:

[(1, 1980026048), (2, 990013024), (4, 495006512), (7, 282860864), (8, 247503256), (11, 180002368), (13, 152309696), (14, 141430432), (16, 123751628), (22, 90001184), (26, 76154848), (28, 70715216), (31, 63871808), (32, 61875814), (44, 45000592), (52, 38077424), (56, 35357608), (62, 31935904), (64, 30937907), (77, 25714624), (88, 22500296), (91, 21758528), (104, 19038712), (112, 17678804), (124, 15967952), (143, 13846336), (154, 12857312), (176, 11250148), (182, 10879264), (208, 9519356), (217, 9124544), (224, 8839402), (248, 7983976), (286, 6923168), (308, 6428656), (341, 5806528), (352, 5625074), (364, 5439632), (403, 4913216), (416, 4759678), (434, 4562272), (448, 4419701), (496, 3991988), (572, 3461584), (616, 3214328), (682, 2903264), (704, 2812537), (728, 2719816), (806, 2456608), (832, 2379839), (868, 2281136), (992, 1995994), (997, 1985984), (1001, 1978048), (1144, 1730792), (1232, 1607164), (1364, 1451632), (1456, 1359908), (1612, 1228304), (1736, 1140568), (1984, 997997), (1994, 992992), (2002, 989024), (2288, 865396), (2387, 829504), (2464, 803582), (2728, 725816), (2821, 701888), (2912, 679954), (3224, 614152), (3472, 570284), (3988, 496496), (4004, 494512), (4433, 446656), (4576, 432698), (4774, 414752), (4928, 401791), (5456, 362908), (5642, 350944), (5824, 339977), (6448, 307076), (6944, 285142), (6979, 283712), (7976, 248248), (8008, 247256), (8866, 223328), (9152, 216349), (9548, 207376), (10912, 181454), (10967, 180544), (11284, 175472), (12896, 153538), (12961, 152768), (13888, 142571), (13958, 141856), (15952, 124124), (16016, 123628), (17732, 111664), (19096, 103688), (21824, 90727), (21934, 90272), (22568, 87736), (25792, 76769), (25922, 76384), (27916, 70928), (30907, 64064), (31031, 63808), (31904, 62062), (32032, 61814), (35464, 55832), (38192, 51844), (43868, 45136)]