256635288

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 288

約数和(自身を含む): 904400640

約数和(自身を除く): 647765352

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 23, 24, 26, 28, 36, 39, 42, 46, 52, 56, 63, 69, 72, 78, 84, 91, 92, 104, 117, 126, 131, 138, 156, 161, 168, 169, 182, 184, 207, 234, 252, 262, 273, 276, 299, 312, 322, 338, 364, 393, 414, 468, 483, 504, 507, 524, 546, 552, 598, 644, 676, 728, 786, 819, 828, 897, 917, 936, 966, 1014, 1048, 1092, 1179, 1183, 1196, 1288, 1352, 1449, 1521, 1572, 1638, 1656, 1703, 1794, 1834, 1932, 2028, 2093, 2184, 2358, 2366, 2392, 2691, 2751, 2898, 3013, 3042, 3144, 3276, 3406, 3549, 3588, 3668, 3864, 3887, 4056, 4186, 4716, 4732, 5109, 5382, 5502, 5796, 6026, 6084, 6279, 6552, 6812, 7098, 7176, 7336, 7774, 8253, 8372, 9039, 9432, 9464, 10218, 10647, 10764, 11004, 11592, 11661, 11921, 12052, 12168, 12558, 13624, 14196, 15327, 15548, 16506, 16744, 18078, 18837, 20436, 21091, 21294, 21528, 22008, 22139, 23322, 23842, 24104, 25116, 27117, 27209, 28392, 30654, 31096, 33012, 34983, 35763, 36156, 37674, 39169, 40872, 42182, 42588, 44278, 46644, 47684, 50232, 54234, 54418, 61308, 63273, 66024, 66417, 69966, 71526, 72312, 75348, 78338, 81627, 84364, 85176, 88556, 93288, 95368, 107289, 108468, 108836, 117507, 122616, 126546, 132834, 139932, 143052, 150696, 154973, 156676, 163254, 168728, 177112, 189819, 199251, 214578, 216936, 217672, 235014, 244881, 253092, 265668, 274183, 279864, 286104, 309946, 313352, 326508, 352521, 379638, 398502, 429156, 464919, 470028, 489762, 506184, 509197, 531336, 548366, 619892, 653016, 705042, 759276, 797004, 822549, 858312, 929838, 940056, 979524, 1018394, 1096732, 1239784, 1394757, 1410084, 1518552, 1527591, 1594008, 1645098, 1859676, 1959048, 2036788, 2193464, 2467647, 2789514, 2820168, 3055182, 3290196, 3564379, 3719352, 4073576, 4582773, 4935294, 5579028, 6110364, 6580392, 7128758, 9165546, 9870588, 10693137, 11158056, 12220728, 14257516, 18331092, 19741176, 21386274, 28515032, 32079411, 36662184, 42772548, 64158822, 85545096, 128317644, 256635288]

約数ペア:

[(1, 256635288), (2, 128317644), (3, 85545096), (4, 64158822), (6, 42772548), (7, 36662184), (8, 32079411), (9, 28515032), (12, 21386274), (13, 19741176), (14, 18331092), (18, 14257516), (21, 12220728), (23, 11158056), (24, 10693137), (26, 9870588), (28, 9165546), (36, 7128758), (39, 6580392), (42, 6110364), (46, 5579028), (52, 4935294), (56, 4582773), (63, 4073576), (69, 3719352), (72, 3564379), (78, 3290196), (84, 3055182), (91, 2820168), (92, 2789514), (104, 2467647), (117, 2193464), (126, 2036788), (131, 1959048), (138, 1859676), (156, 1645098), (161, 1594008), (168, 1527591), (169, 1518552), (182, 1410084), (184, 1394757), (207, 1239784), (234, 1096732), (252, 1018394), (262, 979524), (273, 940056), (276, 929838), (299, 858312), (312, 822549), (322, 797004), (338, 759276), (364, 705042), (393, 653016), (414, 619892), (468, 548366), (483, 531336), (504, 509197), (507, 506184), (524, 489762), (546, 470028), (552, 464919), (598, 429156), (644, 398502), (676, 379638), (728, 352521), (786, 326508), (819, 313352), (828, 309946), (897, 286104), (917, 279864), (936, 274183), (966, 265668), (1014, 253092), (1048, 244881), (1092, 235014), (1179, 217672), (1183, 216936), (1196, 214578), (1288, 199251), (1352, 189819), (1449, 177112), (1521, 168728), (1572, 163254), (1638, 156676), (1656, 154973), (1703, 150696), (1794, 143052), (1834, 139932), (1932, 132834), (2028, 126546), (2093, 122616), (2184, 117507), (2358, 108836), (2366, 108468), (2392, 107289), (2691, 95368), (2751, 93288), (2898, 88556), (3013, 85176), (3042, 84364), (3144, 81627), (3276, 78338), (3406, 75348), (3549, 72312), (3588, 71526), (3668, 69966), (3864, 66417), (3887, 66024), (4056, 63273), (4186, 61308), (4716, 54418), (4732, 54234), (5109, 50232), (5382, 47684), (5502, 46644), (5796, 44278), (6026, 42588), (6084, 42182), (6279, 40872), (6552, 39169), (6812, 37674), (7098, 36156), (7176, 35763), (7336, 34983), (7774, 33012), (8253, 31096), (8372, 30654), (9039, 28392), (9432, 27209), (9464, 27117), (10218, 25116), (10647, 24104), (10764, 23842), (11004, 23322), (11592, 22139), (11661, 22008), (11921, 21528), (12052, 21294), (12168, 21091), (12558, 20436), (13624, 18837), (14196, 18078), (15327, 16744), (15548, 16506)]