640556784

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{5939}}^1$

素因数の和:6067

約数の個数: 120

約数和(自身を含む): 2068260480

約数和(自身を除く): 1427703696

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 107, 112, 126, 144, 168, 214, 252, 321, 336, 428, 504, 642, 749, 856, 963, 1008, 1284, 1498, 1712, 1926, 2247, 2568, 2996, 3852, 4494, 5136, 5939, 5992, 6741, 7704, 8988, 11878, 11984, 13482, 15408, 17817, 17976, 23756, 26964, 35634, 35952, 41573, 47512, 53451, 53928, 71268, 83146, 95024, 106902, 107856, 124719, 142536, 166292, 213804, 249438, 285072, 332584, 374157, 427608, 498876, 635473, 665168, 748314, 855216, 997752, 1270946, 1496628, 1906419, 1995504, 2541892, 2993256, 3812838, 4448311, 5083784, 5719257, 5986512, 7625676, 8896622, 10167568, 11438514, 13344933, 15251352, 17793244, 22877028, 26689866, 30502704, 35586488, 40034799, 45754056, 53379732, 71172976, 80069598, 91508112, 106759464, 160139196, 213518928, 320278392, 640556784]

約数ペア:

[(1, 640556784), (2, 320278392), (3, 213518928), (4, 160139196), (6, 106759464), (7, 91508112), (8, 80069598), (9, 71172976), (12, 53379732), (14, 45754056), (16, 40034799), (18, 35586488), (21, 30502704), (24, 26689866), (28, 22877028), (36, 17793244), (42, 15251352), (48, 13344933), (56, 11438514), (63, 10167568), (72, 8896622), (84, 7625676), (107, 5986512), (112, 5719257), (126, 5083784), (144, 4448311), (168, 3812838), (214, 2993256), (252, 2541892), (321, 1995504), (336, 1906419), (428, 1496628), (504, 1270946), (642, 997752), (749, 855216), (856, 748314), (963, 665168), (1008, 635473), (1284, 498876), (1498, 427608), (1712, 374157), (1926, 332584), (2247, 285072), (2568, 249438), (2996, 213804), (3852, 166292), (4494, 142536), (5136, 124719), (5939, 107856), (5992, 106902), (6741, 95024), (7704, 83146), (8988, 71268), (11878, 53928), (11984, 53451), (13482, 47512), (15408, 41573), (17817, 35952), (17976, 35634), (23756, 26964)]