80290518

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 144

約数和(自身を含む): 214330032

約数和(自身を除く): 134039514

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 37, 42, 49, 61, 66, 74, 77, 98, 111, 121, 122, 147, 154, 183, 222, 231, 242, 259, 294, 363, 366, 407, 427, 462, 518, 539, 671, 726, 777, 814, 847, 854, 1078, 1221, 1281, 1342, 1554, 1617, 1694, 1813, 2013, 2257, 2442, 2541, 2562, 2849, 2989, 3234, 3626, 4026, 4477, 4514, 4697, 5082, 5439, 5698, 5929, 5978, 6771, 7381, 8547, 8954, 8967, 9394, 10878, 11858, 13431, 13542, 14091, 14762, 15799, 17094, 17787, 17934, 19943, 22143, 24827, 26862, 28182, 31339, 31598, 32879, 35574, 39886, 44286, 47397, 49654, 51667, 59829, 62678, 65758, 74481, 94017, 94794, 98637, 103334, 110593, 119658, 148962, 155001, 173789, 188034, 197274, 219373, 221186, 273097, 310002, 331779, 347578, 361669, 438746, 521367, 546194, 658119, 663558, 723338, 819291, 1042734, 1085007, 1216523, 1316238, 1638582, 1911679, 2170014, 2433046, 3649569, 3823358, 5735037, 7299138, 11470074, 13381753, 26763506, 40145259, 80290518]

約数ペア:

[(1, 80290518), (2, 40145259), (3, 26763506), (6, 13381753), (7, 11470074), (11, 7299138), (14, 5735037), (21, 3823358), (22, 3649569), (33, 2433046), (37, 2170014), (42, 1911679), (49, 1638582), (61, 1316238), (66, 1216523), (74, 1085007), (77, 1042734), (98, 819291), (111, 723338), (121, 663558), (122, 658119), (147, 546194), (154, 521367), (183, 438746), (222, 361669), (231, 347578), (242, 331779), (259, 310002), (294, 273097), (363, 221186), (366, 219373), (407, 197274), (427, 188034), (462, 173789), (518, 155001), (539, 148962), (671, 119658), (726, 110593), (777, 103334), (814, 98637), (847, 94794), (854, 94017), (1078, 74481), (1221, 65758), (1281, 62678), (1342, 59829), (1554, 51667), (1617, 49654), (1694, 47397), (1813, 44286), (2013, 39886), (2257, 35574), (2442, 32879), (2541, 31598), (2562, 31339), (2849, 28182), (2989, 26862), (3234, 24827), (3626, 22143), (4026, 19943), (4477, 17934), (4514, 17787), (4697, 17094), (5082, 15799), (5439, 14762), (5698, 14091), (5929, 13542), (5978, 13431), (6771, 11858), (7381, 10878), (8547, 9394), (8954, 8967)]