281751288

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:202

約数の個数: 256

約数和(自身を含む): 928972800

約数和(自身を除く): 647221512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 23, 24, 26, 28, 39, 42, 46, 52, 56, 69, 71, 78, 79, 84, 91, 92, 104, 138, 142, 156, 158, 161, 168, 182, 184, 213, 237, 273, 276, 284, 299, 312, 316, 322, 364, 426, 474, 483, 497, 546, 552, 553, 568, 598, 632, 644, 728, 852, 897, 923, 948, 966, 994, 1027, 1092, 1106, 1196, 1288, 1491, 1633, 1659, 1704, 1794, 1817, 1846, 1896, 1932, 1988, 2054, 2093, 2184, 2212, 2392, 2769, 2982, 3081, 3266, 3318, 3588, 3634, 3692, 3864, 3976, 4108, 4186, 4424, 4899, 5451, 5538, 5609, 5964, 6162, 6279, 6461, 6532, 6636, 7176, 7189, 7268, 7384, 8216, 8372, 9798, 10902, 11076, 11218, 11431, 11928, 12324, 12558, 12719, 12922, 13064, 13272, 14378, 14536, 16744, 16827, 19383, 19596, 21229, 21567, 21804, 22152, 22436, 22862, 23621, 24648, 25116, 25438, 25844, 28756, 33654, 34293, 38157, 38766, 39192, 39263, 42458, 43134, 43608, 44872, 45724, 47242, 50232, 50876, 51688, 57512, 63687, 67308, 68586, 70863, 72917, 76314, 77532, 78526, 84916, 86268, 91448, 94484, 101752, 117789, 127374, 129007, 134616, 137172, 141726, 145834, 148603, 152628, 155064, 157052, 165347, 169832, 172536, 188968, 218751, 235578, 254748, 258014, 274344, 283452, 291668, 297206, 305256, 314104, 330694, 387021, 437502, 445809, 471156, 496041, 509496, 510419, 516028, 566904, 583336, 594412, 661388, 774042, 875004, 891618, 903049, 942312, 992082, 1020838, 1032056, 1188824, 1322776, 1531257, 1548084, 1677091, 1750008, 1783236, 1806098, 1984164, 2041676, 2709147, 3062514, 3096168, 3354182, 3566472, 3612196, 3968328, 4083352, 5031273, 5418294, 6125028, 6708364, 7224392, 10062546, 10836588, 11739637, 12250056, 13416728, 20125092, 21673176, 23479274, 35218911, 40250184, 46958548, 70437822, 93917096, 140875644, 281751288]

約数ペア:

[(1, 281751288), (2, 140875644), (3, 93917096), (4, 70437822), (6, 46958548), (7, 40250184), (8, 35218911), (12, 23479274), (13, 21673176), (14, 20125092), (21, 13416728), (23, 12250056), (24, 11739637), (26, 10836588), (28, 10062546), (39, 7224392), (42, 6708364), (46, 6125028), (52, 5418294), (56, 5031273), (69, 4083352), (71, 3968328), (78, 3612196), (79, 3566472), (84, 3354182), (91, 3096168), (92, 3062514), (104, 2709147), (138, 2041676), (142, 1984164), (156, 1806098), (158, 1783236), (161, 1750008), (168, 1677091), (182, 1548084), (184, 1531257), (213, 1322776), (237, 1188824), (273, 1032056), (276, 1020838), (284, 992082), (299, 942312), (312, 903049), (316, 891618), (322, 875004), (364, 774042), (426, 661388), (474, 594412), (483, 583336), (497, 566904), (546, 516028), (552, 510419), (553, 509496), (568, 496041), (598, 471156), (632, 445809), (644, 437502), (728, 387021), (852, 330694), (897, 314104), (923, 305256), (948, 297206), (966, 291668), (994, 283452), (1027, 274344), (1092, 258014), (1106, 254748), (1196, 235578), (1288, 218751), (1491, 188968), (1633, 172536), (1659, 169832), (1704, 165347), (1794, 157052), (1817, 155064), (1846, 152628), (1896, 148603), (1932, 145834), (1988, 141726), (2054, 137172), (2093, 134616), (2184, 129007), (2212, 127374), (2392, 117789), (2769, 101752), (2982, 94484), (3081, 91448), (3266, 86268), (3318, 84916), (3588, 78526), (3634, 77532), (3692, 76314), (3864, 72917), (3976, 70863), (4108, 68586), (4186, 67308), (4424, 63687), (4899, 57512), (5451, 51688), (5538, 50876), (5609, 50232), (5964, 47242), (6162, 45724), (6279, 44872), (6461, 43608), (6532, 43134), (6636, 42458), (7176, 39263), (7189, 39192), (7268, 38766), (7384, 38157), (8216, 34293), (8372, 33654), (9798, 28756), (10902, 25844), (11076, 25438), (11218, 25116), (11431, 24648), (11928, 23621), (12324, 22862), (12558, 22436), (12719, 22152), (12922, 21804), (13064, 21567), (13272, 21229), (14378, 19596), (14536, 19383), (16744, 16827)]