217570920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1447}}^1$

素因数の和:1647

約数の個数: 128

約数和(自身を含む): 750643200

約数和(自身を除く): 533072280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 179, 210, 280, 358, 420, 537, 716, 840, 895, 1074, 1253, 1432, 1447, 1790, 2148, 2506, 2685, 2894, 3580, 3759, 4296, 4341, 5012, 5370, 5788, 6265, 7160, 7235, 7518, 8682, 10024, 10129, 10740, 11576, 12530, 14470, 15036, 17364, 18795, 20258, 21480, 21705, 25060, 28940, 30072, 30387, 34728, 37590, 40516, 43410, 50120, 50645, 57880, 60774, 75180, 81032, 86820, 101290, 121548, 150360, 151935, 173640, 202580, 243096, 259013, 303870, 405160, 518026, 607740, 777039, 1036052, 1215480, 1295065, 1554078, 1813091, 2072104, 2590130, 3108156, 3626182, 3885195, 5180260, 5439273, 6216312, 7252364, 7770390, 9065455, 10360520, 10878546, 14504728, 15540780, 18130910, 21757092, 27196365, 31081560, 36261820, 43514184, 54392730, 72523640, 108785460, 217570920]

約数ペア:

[(1, 217570920), (2, 108785460), (3, 72523640), (4, 54392730), (5, 43514184), (6, 36261820), (7, 31081560), (8, 27196365), (10, 21757092), (12, 18130910), (14, 15540780), (15, 14504728), (20, 10878546), (21, 10360520), (24, 9065455), (28, 7770390), (30, 7252364), (35, 6216312), (40, 5439273), (42, 5180260), (56, 3885195), (60, 3626182), (70, 3108156), (84, 2590130), (105, 2072104), (120, 1813091), (140, 1554078), (168, 1295065), (179, 1215480), (210, 1036052), (280, 777039), (358, 607740), (420, 518026), (537, 405160), (716, 303870), (840, 259013), (895, 243096), (1074, 202580), (1253, 173640), (1432, 151935), (1447, 150360), (1790, 121548), (2148, 101290), (2506, 86820), (2685, 81032), (2894, 75180), (3580, 60774), (3759, 57880), (4296, 50645), (4341, 50120), (5012, 43410), (5370, 40516), (5788, 37590), (6265, 34728), (7160, 30387), (7235, 30072), (7518, 28940), (8682, 25060), (10024, 21705), (10129, 21480), (10740, 20258), (11576, 18795), (12530, 17364), (14470, 15036)]