256901904

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1583}}^1$

素因数の和:1634

約数の個数: 180

約数和(自身を含む): 873265536

約数和(自身を除く): 616363632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 36, 42, 46, 48, 49, 56, 63, 69, 72, 84, 92, 98, 112, 126, 138, 144, 147, 161, 168, 184, 196, 207, 252, 276, 294, 322, 336, 368, 392, 414, 441, 483, 504, 552, 588, 644, 784, 828, 882, 966, 1008, 1104, 1127, 1176, 1288, 1449, 1583, 1656, 1764, 1932, 2254, 2352, 2576, 2898, 3166, 3312, 3381, 3528, 3864, 4508, 4749, 5796, 6332, 6762, 7056, 7728, 9016, 9498, 10143, 11081, 11592, 12664, 13524, 14247, 18032, 18996, 20286, 22162, 23184, 25328, 27048, 28494, 33243, 36409, 37992, 40572, 44324, 54096, 56988, 66486, 72818, 75984, 77567, 81144, 88648, 99729, 109227, 113976, 132972, 145636, 155134, 162288, 177296, 199458, 218454, 227952, 232701, 254863, 265944, 291272, 310268, 327681, 398916, 436908, 465402, 509726, 531888, 582544, 620536, 655362, 698103, 764589, 797832, 873816, 930804, 1019452, 1241072, 1310724, 1396206, 1529178, 1595664, 1747632, 1784041, 1861608, 2038904, 2293767, 2621448, 2792412, 3058356, 3568082, 3723216, 4077808, 4587534, 5242896, 5352123, 5584824, 6116712, 7136164, 9175068, 10704246, 11169648, 12233424, 14272328, 16056369, 18350136, 21408492, 28544656, 32112738, 36700272, 42816984, 64225476, 85633968, 128450952, 256901904]

約数ペア:

[(1, 256901904), (2, 128450952), (3, 85633968), (4, 64225476), (6, 42816984), (7, 36700272), (8, 32112738), (9, 28544656), (12, 21408492), (14, 18350136), (16, 16056369), (18, 14272328), (21, 12233424), (23, 11169648), (24, 10704246), (28, 9175068), (36, 7136164), (42, 6116712), (46, 5584824), (48, 5352123), (49, 5242896), (56, 4587534), (63, 4077808), (69, 3723216), (72, 3568082), (84, 3058356), (92, 2792412), (98, 2621448), (112, 2293767), (126, 2038904), (138, 1861608), (144, 1784041), (147, 1747632), (161, 1595664), (168, 1529178), (184, 1396206), (196, 1310724), (207, 1241072), (252, 1019452), (276, 930804), (294, 873816), (322, 797832), (336, 764589), (368, 698103), (392, 655362), (414, 620536), (441, 582544), (483, 531888), (504, 509726), (552, 465402), (588, 436908), (644, 398916), (784, 327681), (828, 310268), (882, 291272), (966, 265944), (1008, 254863), (1104, 232701), (1127, 227952), (1176, 218454), (1288, 199458), (1449, 177296), (1583, 162288), (1656, 155134), (1764, 145636), (1932, 132972), (2254, 113976), (2352, 109227), (2576, 99729), (2898, 88648), (3166, 81144), (3312, 77567), (3381, 75984), (3528, 72818), (3864, 66486), (4508, 56988), (4749, 54096), (5796, 44324), (6332, 40572), (6762, 37992), (7056, 36409), (7728, 33243), (9016, 28494), (9498, 27048), (10143, 25328), (11081, 23184), (11592, 22162), (12664, 20286), (13524, 18996), (14247, 18032)]