268721880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2038

約数の個数: 192

約数和(自身を含む): 979050240

約数和(自身を除く): 710328360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 49, 56, 60, 69, 70, 84, 92, 98, 105, 115, 120, 138, 140, 147, 161, 168, 184, 196, 210, 230, 245, 276, 280, 294, 322, 345, 392, 420, 460, 483, 490, 552, 588, 644, 690, 735, 805, 840, 920, 966, 980, 1127, 1176, 1288, 1380, 1470, 1610, 1932, 1960, 1987, 2254, 2415, 2760, 2940, 3220, 3381, 3864, 3974, 4508, 4830, 5635, 5880, 5961, 6440, 6762, 7948, 9016, 9660, 9935, 11270, 11922, 13524, 13909, 15896, 16905, 19320, 19870, 22540, 23844, 27048, 27818, 29805, 33810, 39740, 41727, 45080, 45701, 47688, 55636, 59610, 67620, 69545, 79480, 83454, 91402, 97363, 111272, 119220, 135240, 137103, 139090, 166908, 182804, 194726, 208635, 228505, 238440, 274206, 278180, 292089, 319907, 333816, 365608, 389452, 417270, 457010, 486815, 548412, 556360, 584178, 639814, 685515, 778904, 834540, 914020, 959721, 973630, 1096824, 1168356, 1279628, 1371030, 1460445, 1599535, 1669080, 1828040, 1919442, 1947260, 2239349, 2336712, 2559256, 2742060, 2920890, 3199070, 3838884, 3894520, 4478698, 4798605, 5484120, 5841780, 6398140, 6718047, 7677768, 8957396, 9597210, 11196745, 11683560, 12796280, 13436094, 17914792, 19194420, 22393490, 26872188, 33590235, 38388840, 44786980, 53744376, 67180470, 89573960, 134360940, 268721880]

約数ペア:

[(1, 268721880), (2, 134360940), (3, 89573960), (4, 67180470), (5, 53744376), (6, 44786980), (7, 38388840), (8, 33590235), (10, 26872188), (12, 22393490), (14, 19194420), (15, 17914792), (20, 13436094), (21, 12796280), (23, 11683560), (24, 11196745), (28, 9597210), (30, 8957396), (35, 7677768), (40, 6718047), (42, 6398140), (46, 5841780), (49, 5484120), (56, 4798605), (60, 4478698), (69, 3894520), (70, 3838884), (84, 3199070), (92, 2920890), (98, 2742060), (105, 2559256), (115, 2336712), (120, 2239349), (138, 1947260), (140, 1919442), (147, 1828040), (161, 1669080), (168, 1599535), (184, 1460445), (196, 1371030), (210, 1279628), (230, 1168356), (245, 1096824), (276, 973630), (280, 959721), (294, 914020), (322, 834540), (345, 778904), (392, 685515), (420, 639814), (460, 584178), (483, 556360), (490, 548412), (552, 486815), (588, 457010), (644, 417270), (690, 389452), (735, 365608), (805, 333816), (840, 319907), (920, 292089), (966, 278180), (980, 274206), (1127, 238440), (1176, 228505), (1288, 208635), (1380, 194726), (1470, 182804), (1610, 166908), (1932, 139090), (1960, 137103), (1987, 135240), (2254, 119220), (2415, 111272), (2760, 97363), (2940, 91402), (3220, 83454), (3381, 79480), (3864, 69545), (3974, 67620), (4508, 59610), (4830, 55636), (5635, 47688), (5880, 45701), (5961, 45080), (6440, 41727), (6762, 39740), (7948, 33810), (9016, 29805), (9660, 27818), (9935, 27048), (11270, 23844), (11922, 22540), (13524, 19870), (13909, 19320), (15896, 16905)]