217588560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{129517}}^1$

素因数の和:129540

約数の個数: 80

約数和(自身を含む): 770891136

約数和(自身を除く): 553302576

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 129517, 259034, 388551, 518068, 647585, 777102, 906619, 1036136, 1295170, 1554204, 1813238, 1942755, 2072272, 2590340, 2719857, 3108408, 3626476, 3885510, 4533095, 5180680, 5439714, 6216816, 7252952, 7771020, 9066190, 10361360, 10879428, 13599285, 14505904, 15542040, 18132380, 21758856, 27198570, 31084080, 36264760, 43517712, 54397140, 72529520, 108794280, 217588560]

約数ペア:

[(1, 217588560), (2, 108794280), (3, 72529520), (4, 54397140), (5, 43517712), (6, 36264760), (7, 31084080), (8, 27198570), (10, 21758856), (12, 18132380), (14, 15542040), (15, 14505904), (16, 13599285), (20, 10879428), (21, 10361360), (24, 9066190), (28, 7771020), (30, 7252952), (35, 6216816), (40, 5439714), (42, 5180680), (48, 4533095), (56, 3885510), (60, 3626476), (70, 3108408), (80, 2719857), (84, 2590340), (105, 2072272), (112, 1942755), (120, 1813238), (140, 1554204), (168, 1295170), (210, 1036136), (240, 906619), (280, 777102), (336, 647585), (420, 518068), (560, 388551), (840, 259034), (1680, 129517)]