721138464

素因数分解:

$2^5\times 3^6\times {\mathrm{19}}^1\times {\mathrm{1627}}^1$

素因数の和:1674

約数の個数: 168

約数和(自身を含む): 2242049040

約数和(自身を除く): 1520910576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 81, 96, 108, 114, 144, 152, 162, 171, 216, 228, 243, 288, 304, 324, 342, 432, 456, 486, 513, 608, 648, 684, 729, 864, 912, 972, 1026, 1296, 1368, 1458, 1539, 1627, 1824, 1944, 2052, 2592, 2736, 2916, 3078, 3254, 3888, 4104, 4617, 4881, 5472, 5832, 6156, 6508, 7776, 8208, 9234, 9762, 11664, 12312, 13016, 13851, 14643, 16416, 18468, 19524, 23328, 24624, 26032, 27702, 29286, 30913, 36936, 39048, 43929, 49248, 52064, 55404, 58572, 61826, 73872, 78096, 87858, 92739, 110808, 117144, 123652, 131787, 147744, 156192, 175716, 185478, 221616, 234288, 247304, 263574, 278217, 351432, 370956, 395361, 443232, 468576, 494608, 527148, 556434, 702864, 741912, 790722, 834651, 989216, 1054296, 1112868, 1186083, 1405728, 1483824, 1581444, 1669302, 2108592, 2225736, 2372166, 2503953, 2967648, 3162888, 3338604, 4217184, 4451472, 4744332, 5007906, 6325776, 6677208, 7511859, 8902944, 9488664, 10015812, 12651552, 13354416, 15023718, 18977328, 20031624, 22535577, 26708832, 30047436, 37954656, 40063248, 45071154, 60094872, 80126496, 90142308, 120189744, 180284616, 240379488, 360569232, 721138464]

約数ペア:

[(1, 721138464), (2, 360569232), (3, 240379488), (4, 180284616), (6, 120189744), (8, 90142308), (9, 80126496), (12, 60094872), (16, 45071154), (18, 40063248), (19, 37954656), (24, 30047436), (27, 26708832), (32, 22535577), (36, 20031624), (38, 18977328), (48, 15023718), (54, 13354416), (57, 12651552), (72, 10015812), (76, 9488664), (81, 8902944), (96, 7511859), (108, 6677208), (114, 6325776), (144, 5007906), (152, 4744332), (162, 4451472), (171, 4217184), (216, 3338604), (228, 3162888), (243, 2967648), (288, 2503953), (304, 2372166), (324, 2225736), (342, 2108592), (432, 1669302), (456, 1581444), (486, 1483824), (513, 1405728), (608, 1186083), (648, 1112868), (684, 1054296), (729, 989216), (864, 834651), (912, 790722), (972, 741912), (1026, 702864), (1296, 556434), (1368, 527148), (1458, 494608), (1539, 468576), (1627, 443232), (1824, 395361), (1944, 370956), (2052, 351432), (2592, 278217), (2736, 263574), (2916, 247304), (3078, 234288), (3254, 221616), (3888, 185478), (4104, 175716), (4617, 156192), (4881, 147744), (5472, 131787), (5832, 123652), (6156, 117144), (6508, 110808), (7776, 92739), (8208, 87858), (9234, 78096), (9762, 73872), (11664, 61826), (12312, 58572), (13016, 55404), (13851, 52064), (14643, 49248), (16416, 43929), (18468, 39048), (19524, 36936), (23328, 30913), (24624, 29286), (26032, 27702)]