208771920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1801}}^1$

素因数の和:1850

約数の個数: 240

約数和(自身を含む): 836589312

約数和(自身を除く): 627817392

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, 1801, 1840, 1932, 2070, 2415, 2520, 2576, 2760, 2898, 3220, 3312, 3602, 3864, 4140, 4830, 5040, 5403, 5520, 5796, 6440, 7204, 7245, 7728, 8280, 9005, 9660, 10806, 11592, 12607, 12880, 14408, 14490, 16209, 16560, 18010, 19320, 21612, 23184, 25214, 27015, 28816, 28980, 32418, 36020, 37821, 38640, 41423, 43224, 50428, 54030, 57960, 63035, 64836, 72040, 75642, 81045, 82846, 86448, 100856, 108060, 113463, 115920, 124269, 126070, 129672, 144080, 151284, 162090, 165692, 189105, 201712, 207115, 216120, 226926, 248538, 252140, 259344, 289961, 302568, 324180, 331384, 372807, 378210, 414230, 432240, 453852, 497076, 504280, 567315, 579922, 605136, 621345, 648360, 662768, 745614, 756420, 828460, 869883, 907704, 994152, 1008560, 1134630, 1159844, 1242690, 1296720, 1449805, 1491228, 1512840, 1656920, 1739766, 1815408, 1864035, 1988304, 2269260, 2319688, 2485380, 2609649, 2899610, 2982456, 3025680, 3313840, 3479532, 3728070, 4349415, 4538520, 4639376, 4970760, 5219298, 5799220, 5964912, 6959064, 7456140, 8698830, 9077040, 9941520, 10438596, 11598440, 13048245, 13918128, 14912280, 17397660, 20877192, 23196880, 26096490, 29824560, 34795320, 41754384, 52192980, 69590640, 104385960, 208771920]

約数ペア:

[(1, 208771920), (2, 104385960), (3, 69590640), (4, 52192980), (5, 41754384), (6, 34795320), (7, 29824560), (8, 26096490), (9, 23196880), (10, 20877192), (12, 17397660), (14, 14912280), (15, 13918128), (16, 13048245), (18, 11598440), (20, 10438596), (21, 9941520), (23, 9077040), (24, 8698830), (28, 7456140), (30, 6959064), (35, 5964912), (36, 5799220), (40, 5219298), (42, 4970760), (45, 4639376), (46, 4538520), (48, 4349415), (56, 3728070), (60, 3479532), (63, 3313840), (69, 3025680), (70, 2982456), (72, 2899610), (80, 2609649), (84, 2485380), (90, 2319688), (92, 2269260), (105, 1988304), (112, 1864035), (115, 1815408), (120, 1739766), (126, 1656920), (138, 1512840), (140, 1491228), (144, 1449805), (161, 1296720), (168, 1242690), (180, 1159844), (184, 1134630), (207, 1008560), (210, 994152), (230, 907704), (240, 869883), (252, 828460), (276, 756420), (280, 745614), (315, 662768), (322, 648360), (336, 621345), (345, 605136), (360, 579922), (368, 567315), (414, 504280), (420, 497076), (460, 453852), (483, 432240), (504, 414230), (552, 378210), (560, 372807), (630, 331384), (644, 324180), (690, 302568), (720, 289961), (805, 259344), (828, 252140), (840, 248538), (920, 226926), (966, 216120), (1008, 207115), (1035, 201712), (1104, 189105), (1260, 165692), (1288, 162090), (1380, 151284), (1449, 144080), (1610, 129672), (1656, 126070), (1680, 124269), (1801, 115920), (1840, 113463), (1932, 108060), (2070, 100856), (2415, 86448), (2520, 82846), (2576, 81045), (2760, 75642), (2898, 72040), (3220, 64836), (3312, 63035), (3602, 57960), (3864, 54030), (4140, 50428), (4830, 43224), (5040, 41423), (5403, 38640), (5520, 37821), (5796, 36020), (6440, 32418), (7204, 28980), (7245, 28816), (7728, 27015), (8280, 25214), (9005, 23184), (9660, 21612), (10806, 19320), (11592, 18010), (12607, 16560), (12880, 16209), (14408, 14490)]