639762480

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5519}}^1$

素因数の和:5568

約数の個数: 240

約数和(自身を含む): 2562693120

約数和(自身を除く): 1922930640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 105, 112, 115, 120, 126, 138, 140, 144, 161, 168, 180, 184, 207, 210, 230, 240, 252, 276, 280, 315, 322, 336, 345, 360, 368, 414, 420, 460, 483, 504, 552, 560, 630, 644, 690, 720, 805, 828, 840, 920, 966, 1008, 1035, 1104, 1260, 1288, 1380, 1449, 1610, 1656, 1680, 1840, 1932, 2070, 2415, 2520, 2576, 2760, 2898, 3220, 3312, 3864, 4140, 4830, 5040, 5519, 5520, 5796, 6440, 7245, 7728, 8280, 9660, 11038, 11592, 12880, 14490, 16557, 16560, 19320, 22076, 23184, 27595, 28980, 33114, 38633, 38640, 44152, 49671, 55190, 57960, 66228, 77266, 82785, 88304, 99342, 110380, 115899, 115920, 126937, 132456, 154532, 165570, 193165, 198684, 220760, 231798, 248355, 253874, 264912, 309064, 331140, 347697, 380811, 386330, 397368, 441520, 463596, 496710, 507748, 579495, 618128, 634685, 662280, 695394, 761622, 772660, 794736, 888559, 927192, 993420, 1015496, 1142433, 1158990, 1269370, 1324560, 1390788, 1523244, 1545320, 1738485, 1777118, 1854384, 1904055, 1986840, 2030992, 2284866, 2317980, 2538740, 2665677, 2781576, 3046488, 3090640, 3476970, 3554236, 3808110, 3973680, 4442795, 4569732, 4635960, 5077480, 5331354, 5563152, 5712165, 6092976, 6953940, 7108472, 7616220, 7997031, 8885590, 9139464, 9271920, 10154960, 10662708, 11424330, 13328385, 13907880, 14216944, 15232440, 15994062, 17771180, 18278928, 21325416, 22848660, 26656770, 27815760, 30464880, 31988124, 35542360, 39985155, 42650832, 45697320, 53313540, 63976248, 71084720, 79970310, 91394640, 106627080, 127952496, 159940620, 213254160, 319881240, 639762480]

約数ペア:

[(1, 639762480), (2, 319881240), (3, 213254160), (4, 159940620), (5, 127952496), (6, 106627080), (7, 91394640), (8, 79970310), (9, 71084720), (10, 63976248), (12, 53313540), (14, 45697320), (15, 42650832), (16, 39985155), (18, 35542360), (20, 31988124), (21, 30464880), (23, 27815760), (24, 26656770), (28, 22848660), (30, 21325416), (35, 18278928), (36, 17771180), (40, 15994062), (42, 15232440), (45, 14216944), (46, 13907880), (48, 13328385), (56, 11424330), (60, 10662708), (63, 10154960), (69, 9271920), (70, 9139464), (72, 8885590), (80, 7997031), (84, 7616220), (90, 7108472), (92, 6953940), (105, 6092976), (112, 5712165), (115, 5563152), (120, 5331354), (126, 5077480), (138, 4635960), (140, 4569732), (144, 4442795), (161, 3973680), (168, 3808110), (180, 3554236), (184, 3476970), (207, 3090640), (210, 3046488), (230, 2781576), (240, 2665677), (252, 2538740), (276, 2317980), (280, 2284866), (315, 2030992), (322, 1986840), (336, 1904055), (345, 1854384), (360, 1777118), (368, 1738485), (414, 1545320), (420, 1523244), (460, 1390788), (483, 1324560), (504, 1269370), (552, 1158990), (560, 1142433), (630, 1015496), (644, 993420), (690, 927192), (720, 888559), (805, 794736), (828, 772660), (840, 761622), (920, 695394), (966, 662280), (1008, 634685), (1035, 618128), (1104, 579495), (1260, 507748), (1288, 496710), (1380, 463596), (1449, 441520), (1610, 397368), (1656, 386330), (1680, 380811), (1840, 347697), (1932, 331140), (2070, 309064), (2415, 264912), (2520, 253874), (2576, 248355), (2760, 231798), (2898, 220760), (3220, 198684), (3312, 193165), (3864, 165570), (4140, 154532), (4830, 132456), (5040, 126937), (5519, 115920), (5520, 115899), (5796, 110380), (6440, 99342), (7245, 88304), (7728, 82785), (8280, 77266), (9660, 66228), (11038, 57960), (11592, 55190), (12880, 49671), (14490, 44152), (16557, 38640), (16560, 38633), (19320, 33114), (22076, 28980), (23184, 27595)]