256434360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1021}}^1$

素因数の和:1078

約数の個数: 256

約数和(自身を含む): 988968960

約数和(自身を除く): 732534600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 23, 24, 26, 28, 30, 35, 39, 40, 42, 46, 52, 56, 60, 65, 69, 70, 78, 84, 91, 92, 104, 105, 115, 120, 130, 138, 140, 156, 161, 168, 182, 184, 195, 210, 230, 260, 273, 276, 280, 299, 312, 322, 345, 364, 390, 420, 455, 460, 483, 520, 546, 552, 598, 644, 690, 728, 780, 805, 840, 897, 910, 920, 966, 1021, 1092, 1196, 1288, 1365, 1380, 1495, 1560, 1610, 1794, 1820, 1932, 2042, 2093, 2184, 2392, 2415, 2730, 2760, 2990, 3063, 3220, 3588, 3640, 3864, 4084, 4186, 4485, 4830, 5105, 5460, 5980, 6126, 6279, 6440, 7147, 7176, 8168, 8372, 8970, 9660, 10210, 10465, 10920, 11960, 12252, 12558, 13273, 14294, 15315, 16744, 17940, 19320, 20420, 20930, 21441, 23483, 24504, 25116, 26546, 28588, 30630, 31395, 35735, 35880, 39819, 40840, 41860, 42882, 46966, 50232, 53092, 57176, 61260, 62790, 66365, 70449, 71470, 79638, 83720, 85764, 92911, 93932, 106184, 107205, 117415, 122520, 125580, 132730, 140898, 142940, 159276, 164381, 171528, 185822, 187864, 199095, 214410, 234830, 251160, 265460, 278733, 281796, 285880, 305279, 318552, 328762, 352245, 371644, 398190, 428820, 464555, 469660, 493143, 530920, 557466, 563592, 610558, 657524, 704490, 743288, 796380, 821905, 857640, 915837, 929110, 939320, 986286, 1114932, 1221116, 1315048, 1393665, 1408980, 1526395, 1592760, 1643810, 1831674, 1858220, 1972572, 2136953, 2229864, 2442232, 2465715, 2787330, 2817960, 3052790, 3287620, 3663348, 3716440, 3945144, 4273906, 4579185, 4931430, 5574660, 6105580, 6410859, 6575240, 7326696, 8547812, 9158370, 9862860, 10684765, 11149320, 12211160, 12821718, 17095624, 18316740, 19725720, 21369530, 25643436, 32054295, 36633480, 42739060, 51286872, 64108590, 85478120, 128217180, 256434360]

約数ペア:

[(1, 256434360), (2, 128217180), (3, 85478120), (4, 64108590), (5, 51286872), (6, 42739060), (7, 36633480), (8, 32054295), (10, 25643436), (12, 21369530), (13, 19725720), (14, 18316740), (15, 17095624), (20, 12821718), (21, 12211160), (23, 11149320), (24, 10684765), (26, 9862860), (28, 9158370), (30, 8547812), (35, 7326696), (39, 6575240), (40, 6410859), (42, 6105580), (46, 5574660), (52, 4931430), (56, 4579185), (60, 4273906), (65, 3945144), (69, 3716440), (70, 3663348), (78, 3287620), (84, 3052790), (91, 2817960), (92, 2787330), (104, 2465715), (105, 2442232), (115, 2229864), (120, 2136953), (130, 1972572), (138, 1858220), (140, 1831674), (156, 1643810), (161, 1592760), (168, 1526395), (182, 1408980), (184, 1393665), (195, 1315048), (210, 1221116), (230, 1114932), (260, 986286), (273, 939320), (276, 929110), (280, 915837), (299, 857640), (312, 821905), (322, 796380), (345, 743288), (364, 704490), (390, 657524), (420, 610558), (455, 563592), (460, 557466), (483, 530920), (520, 493143), (546, 469660), (552, 464555), (598, 428820), (644, 398190), (690, 371644), (728, 352245), (780, 328762), (805, 318552), (840, 305279), (897, 285880), (910, 281796), (920, 278733), (966, 265460), (1021, 251160), (1092, 234830), (1196, 214410), (1288, 199095), (1365, 187864), (1380, 185822), (1495, 171528), (1560, 164381), (1610, 159276), (1794, 142940), (1820, 140898), (1932, 132730), (2042, 125580), (2093, 122520), (2184, 117415), (2392, 107205), (2415, 106184), (2730, 93932), (2760, 92911), (2990, 85764), (3063, 83720), (3220, 79638), (3588, 71470), (3640, 70449), (3864, 66365), (4084, 62790), (4186, 61260), (4485, 57176), (4830, 53092), (5105, 50232), (5460, 46966), (5980, 42882), (6126, 41860), (6279, 40840), (6440, 39819), (7147, 35880), (7176, 35735), (8168, 31395), (8372, 30630), (8970, 28588), (9660, 26546), (10210, 25116), (10465, 24504), (10920, 23483), (11960, 21441), (12252, 20930), (12558, 20420), (13273, 19320), (14294, 17940), (15315, 16744)]