256458502188

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{6791}}^1\times {\mathrm{16651}}^1$

素因数の和:23465

約数の個数: 120

約数和(自身を含む): 766368201984

約数和(自身を除く): 509909699796

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 6791, 13582, 16651, 20373, 27164, 33302, 40746, 47537, 49953, 61119, 66604, 81492, 95074, 99906, 116557, 122238, 142611, 149859, 183357, 190148, 199812, 233114, 244476, 285222, 299718, 349671, 366714, 427833, 449577, 466228, 550071, 570444, 599436, 699342, 733428, 855666, 899154, 1049013, 1100142, 1283499, 1348731, 1398684, 1711332, 1798308, 2098026, 2200284, 2566998, 2697462, 3147039, 3850497, 4196052, 5133996, 5394924, 6294078, 7700994, 9441117, 12588156, 15401988, 18882234, 37764468, 113076941, 226153882, 339230823, 452307764, 678461646, 791538587, 1017692469, 1356923292, 1583077174, 2035384938, 2374615761, 3053077407, 3166154348, 4070769876, 4749231522, 6106154814, 7123847283, 9159232221, 9498463044, 12212309628, 14247694566, 18318464442, 21371541849, 28495389132, 36636928884, 42743083698, 64114625547, 85486167396, 128229251094, 256458502188]

約数ペア:

[(1, 256458502188), (2, 128229251094), (3, 85486167396), (4, 64114625547), (6, 42743083698), (7, 36636928884), (9, 28495389132), (12, 21371541849), (14, 18318464442), (18, 14247694566), (21, 12212309628), (27, 9498463044), (28, 9159232221), (36, 7123847283), (42, 6106154814), (54, 4749231522), (63, 4070769876), (81, 3166154348), (84, 3053077407), (108, 2374615761), (126, 2035384938), (162, 1583077174), (189, 1356923292), (252, 1017692469), (324, 791538587), (378, 678461646), (567, 452307764), (756, 339230823), (1134, 226153882), (2268, 113076941), (6791, 37764468), (13582, 18882234), (16651, 15401988), (20373, 12588156), (27164, 9441117), (33302, 7700994), (40746, 6294078), (47537, 5394924), (49953, 5133996), (61119, 4196052), (66604, 3850497), (81492, 3147039), (95074, 2697462), (99906, 2566998), (116557, 2200284), (122238, 2098026), (142611, 1798308), (149859, 1711332), (183357, 1398684), (190148, 1348731), (199812, 1283499), (233114, 1100142), (244476, 1049013), (285222, 899154), (299718, 855666), (349671, 733428), (366714, 699342), (427833, 599436), (449577, 570444), (466228, 550071)]