72989028

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:311

約数の個数: 144

約数和(自身を含む): 225388800

約数和(自身を除く): 152399772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 49, 63, 69, 84, 92, 98, 126, 138, 147, 161, 196, 207, 252, 257, 276, 294, 322, 343, 414, 441, 483, 514, 588, 644, 686, 771, 828, 882, 966, 1028, 1029, 1127, 1372, 1449, 1542, 1764, 1799, 1932, 2058, 2254, 2313, 2898, 3084, 3087, 3381, 3598, 4116, 4508, 4626, 5397, 5796, 5911, 6174, 6762, 7196, 7889, 9252, 10143, 10794, 11822, 12348, 12593, 13524, 15778, 16191, 17733, 20286, 21588, 23644, 23667, 25186, 31556, 32382, 35466, 37779, 40572, 41377, 47334, 50372, 53199, 64764, 70932, 71001, 75558, 82754, 88151, 94668, 106398, 113337, 124131, 142002, 151116, 165508, 176302, 212796, 226674, 248262, 264453, 284004, 289639, 352604, 372393, 453348, 496524, 528906, 579278, 744786, 793359, 868917, 1057812, 1158556, 1489572, 1586718, 1737834, 2027473, 2606751, 3173436, 3475668, 4054946, 5213502, 6082419, 8109892, 10427004, 12164838, 18247257, 24329676, 36494514, 72989028]

約数ペア:

[(1, 72989028), (2, 36494514), (3, 24329676), (4, 18247257), (6, 12164838), (7, 10427004), (9, 8109892), (12, 6082419), (14, 5213502), (18, 4054946), (21, 3475668), (23, 3173436), (28, 2606751), (36, 2027473), (42, 1737834), (46, 1586718), (49, 1489572), (63, 1158556), (69, 1057812), (84, 868917), (92, 793359), (98, 744786), (126, 579278), (138, 528906), (147, 496524), (161, 453348), (196, 372393), (207, 352604), (252, 289639), (257, 284004), (276, 264453), (294, 248262), (322, 226674), (343, 212796), (414, 176302), (441, 165508), (483, 151116), (514, 142002), (588, 124131), (644, 113337), (686, 106398), (771, 94668), (828, 88151), (882, 82754), (966, 75558), (1028, 71001), (1029, 70932), (1127, 64764), (1372, 53199), (1449, 50372), (1542, 47334), (1764, 41377), (1799, 40572), (1932, 37779), (2058, 35466), (2254, 32382), (2313, 31556), (2898, 25186), (3084, 23667), (3087, 23644), (3381, 21588), (3598, 20286), (4116, 17733), (4508, 16191), (4626, 15778), (5397, 13524), (5796, 12593), (5911, 12348), (6174, 11822), (6762, 10794), (7196, 10143), (7889, 9252)]