638967504

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:657

約数の個数: 160

約数和(自身を含む): 1960192000

約数和(自身を除く): 1321224496

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 37, 42, 48, 56, 74, 84, 103, 111, 112, 148, 168, 206, 222, 259, 296, 309, 336, 412, 444, 499, 518, 592, 618, 721, 777, 824, 888, 998, 1036, 1236, 1442, 1497, 1554, 1648, 1776, 1996, 2072, 2163, 2472, 2884, 2994, 3108, 3493, 3811, 3992, 4144, 4326, 4944, 5768, 5988, 6216, 6986, 7622, 7984, 8652, 10479, 11433, 11536, 11976, 12432, 13972, 15244, 17304, 18463, 20958, 22866, 23952, 26677, 27944, 30488, 34608, 36926, 41916, 45732, 51397, 53354, 55389, 55888, 60976, 73852, 80031, 83832, 91464, 102794, 106708, 110778, 129241, 147704, 154191, 160062, 167664, 182928, 205588, 213416, 221556, 258482, 295408, 308382, 320124, 359779, 387723, 411176, 426832, 443112, 516964, 616764, 640248, 719558, 775446, 822352, 886224, 1033928, 1079337, 1233528, 1280496, 1439116, 1550892, 1901689, 2067856, 2158674, 2467056, 2878232, 3101784, 3803378, 4317348, 5705067, 5756464, 6203568, 7606756, 8634696, 11410134, 13311823, 15213512, 17269392, 22820268, 26623646, 30427024, 39935469, 45640536, 53247292, 79870938, 91281072, 106494584, 159741876, 212989168, 319483752, 638967504]

約数ペア:

[(1, 638967504), (2, 319483752), (3, 212989168), (4, 159741876), (6, 106494584), (7, 91281072), (8, 79870938), (12, 53247292), (14, 45640536), (16, 39935469), (21, 30427024), (24, 26623646), (28, 22820268), (37, 17269392), (42, 15213512), (48, 13311823), (56, 11410134), (74, 8634696), (84, 7606756), (103, 6203568), (111, 5756464), (112, 5705067), (148, 4317348), (168, 3803378), (206, 3101784), (222, 2878232), (259, 2467056), (296, 2158674), (309, 2067856), (336, 1901689), (412, 1550892), (444, 1439116), (499, 1280496), (518, 1233528), (592, 1079337), (618, 1033928), (721, 886224), (777, 822352), (824, 775446), (888, 719558), (998, 640248), (1036, 616764), (1236, 516964), (1442, 443112), (1497, 426832), (1554, 411176), (1648, 387723), (1776, 359779), (1996, 320124), (2072, 308382), (2163, 295408), (2472, 258482), (2884, 221556), (2994, 213416), (3108, 205588), (3493, 182928), (3811, 167664), (3992, 160062), (4144, 154191), (4326, 147704), (4944, 129241), (5768, 110778), (5988, 106708), (6216, 102794), (6986, 91464), (7622, 83832), (7984, 80031), (8652, 73852), (10479, 60976), (11433, 55888), (11536, 55389), (11976, 53354), (12432, 51397), (13972, 45732), (15244, 41916), (17304, 36926), (18463, 34608), (20958, 30488), (22866, 27944), (23952, 26677)]