1721028816

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^2$

素因数の和:303

約数の個数: 240

約数和(自身を含む): 5644430400

約数和(自身を除く): 3923401584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 27, 36, 38, 39, 48, 52, 54, 57, 72, 76, 78, 104, 108, 114, 117, 127, 144, 152, 156, 171, 208, 216, 228, 234, 247, 254, 304, 312, 342, 351, 381, 432, 456, 468, 494, 508, 513, 624, 684, 702, 741, 762, 912, 936, 988, 1016, 1026, 1143, 1368, 1404, 1482, 1524, 1651, 1872, 1976, 2032, 2052, 2223, 2286, 2413, 2736, 2808, 2964, 3048, 3302, 3429, 3952, 4104, 4446, 4572, 4826, 4953, 5616, 5928, 6096, 6604, 6669, 6858, 7239, 8208, 8892, 9144, 9652, 9906, 11856, 13208, 13338, 13716, 14478, 14859, 16129, 17784, 18288, 19304, 19812, 21717, 26416, 26676, 27432, 28956, 29718, 31369, 32258, 35568, 38608, 39624, 43434, 44577, 48387, 53352, 54864, 57912, 59436, 62738, 64516, 65151, 79248, 86868, 89154, 94107, 96774, 106704, 115824, 118872, 125476, 129032, 130302, 145161, 173736, 178308, 188214, 193548, 209677, 237744, 250952, 258064, 260604, 282321, 290322, 306451, 347472, 356616, 376428, 387096, 419354, 435483, 501904, 521208, 564642, 580644, 612902, 629031, 713232, 752856, 774192, 838708, 846963, 870966, 919353, 1042416, 1129284, 1161288, 1225804, 1258062, 1505712, 1677416, 1693926, 1741932, 1838706, 1887093, 2258568, 2322576, 2451608, 2516124, 2758059, 3354832, 3387852, 3483864, 3677412, 3774186, 3983863, 4517136, 4903216, 5032248, 5516118, 5661279, 6775704, 6967728, 7354824, 7548372, 7967726, 8274177, 10064496, 11032236, 11322558, 11951589, 13551408, 14709648, 15096744, 15935452, 16548354, 22064472, 22645116, 23903178, 30193488, 31870904, 33096708, 35854767, 44128944, 45290232, 47806356, 63741808, 66193416, 71709534, 90580464, 95612712, 107564301, 132386832, 143419068, 191225424, 215128602, 286838136, 430257204, 573676272, 860514408, 1721028816]

約数ペア:

[(1, 1721028816), (2, 860514408), (3, 573676272), (4, 430257204), (6, 286838136), (8, 215128602), (9, 191225424), (12, 143419068), (13, 132386832), (16, 107564301), (18, 95612712), (19, 90580464), (24, 71709534), (26, 66193416), (27, 63741808), (36, 47806356), (38, 45290232), (39, 44128944), (48, 35854767), (52, 33096708), (54, 31870904), (57, 30193488), (72, 23903178), (76, 22645116), (78, 22064472), (104, 16548354), (108, 15935452), (114, 15096744), (117, 14709648), (127, 13551408), (144, 11951589), (152, 11322558), (156, 11032236), (171, 10064496), (208, 8274177), (216, 7967726), (228, 7548372), (234, 7354824), (247, 6967728), (254, 6775704), (304, 5661279), (312, 5516118), (342, 5032248), (351, 4903216), (381, 4517136), (432, 3983863), (456, 3774186), (468, 3677412), (494, 3483864), (508, 3387852), (513, 3354832), (624, 2758059), (684, 2516124), (702, 2451608), (741, 2322576), (762, 2258568), (912, 1887093), (936, 1838706), (988, 1741932), (1016, 1693926), (1026, 1677416), (1143, 1505712), (1368, 1258062), (1404, 1225804), (1482, 1161288), (1524, 1129284), (1651, 1042416), (1872, 919353), (1976, 870966), (2032, 846963), (2052, 838708), (2223, 774192), (2286, 752856), (2413, 713232), (2736, 629031), (2808, 612902), (2964, 580644), (3048, 564642), (3302, 521208), (3429, 501904), (3952, 435483), (4104, 419354), (4446, 387096), (4572, 376428), (4826, 356616), (4953, 347472), (5616, 306451), (5928, 290322), (6096, 282321), (6604, 260604), (6669, 258064), (6858, 250952), (7239, 237744), (8208, 209677), (8892, 193548), (9144, 188214), (9652, 178308), (9906, 173736), (11856, 145161), (13208, 130302), (13338, 129032), (13716, 125476), (14478, 118872), (14859, 115824), (16129, 106704), (17784, 96774), (18288, 94107), (19304, 89154), (19812, 86868), (21717, 79248), (26416, 65151), (26676, 64516), (27432, 62738), (28956, 59436), (29718, 57912), (31369, 54864), (32258, 53352), (35568, 48387), (38608, 44577), (39624, 43434)]