256139856

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1230

約数の個数: 180

約数和(自身を含む): 861504384

約数和(自身を除く): 605364528

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 36, 42, 48, 49, 56, 62, 63, 72, 84, 93, 98, 112, 124, 126, 144, 147, 168, 186, 196, 217, 248, 252, 279, 294, 336, 372, 392, 434, 441, 496, 504, 558, 588, 651, 744, 784, 868, 882, 1008, 1116, 1171, 1176, 1302, 1488, 1519, 1736, 1764, 1953, 2232, 2342, 2352, 2604, 3038, 3472, 3513, 3528, 3906, 4464, 4557, 4684, 5208, 6076, 7026, 7056, 7812, 8197, 9114, 9368, 10416, 10539, 12152, 13671, 14052, 15624, 16394, 18228, 18736, 21078, 24304, 24591, 27342, 28104, 31248, 32788, 36301, 36456, 42156, 49182, 54684, 56208, 57379, 65576, 72602, 72912, 73773, 84312, 98364, 108903, 109368, 114758, 131152, 145204, 147546, 168624, 172137, 196728, 217806, 218736, 229516, 254107, 290408, 295092, 326709, 344274, 393456, 435612, 459032, 508214, 516411, 580816, 590184, 653418, 688548, 762321, 871224, 918064, 1016428, 1032822, 1180368, 1306836, 1377096, 1524642, 1742448, 1778749, 2032856, 2065644, 2286963, 2613672, 2754192, 3049284, 3557498, 4065712, 4131288, 4573926, 5227344, 5336247, 6098568, 7114996, 8262576, 9147852, 10672494, 12197136, 14229992, 16008741, 18295704, 21344988, 28459984, 32017482, 36591408, 42689976, 64034964, 85379952, 128069928, 256139856]

約数ペア:

[(1, 256139856), (2, 128069928), (3, 85379952), (4, 64034964), (6, 42689976), (7, 36591408), (8, 32017482), (9, 28459984), (12, 21344988), (14, 18295704), (16, 16008741), (18, 14229992), (21, 12197136), (24, 10672494), (28, 9147852), (31, 8262576), (36, 7114996), (42, 6098568), (48, 5336247), (49, 5227344), (56, 4573926), (62, 4131288), (63, 4065712), (72, 3557498), (84, 3049284), (93, 2754192), (98, 2613672), (112, 2286963), (124, 2065644), (126, 2032856), (144, 1778749), (147, 1742448), (168, 1524642), (186, 1377096), (196, 1306836), (217, 1180368), (248, 1032822), (252, 1016428), (279, 918064), (294, 871224), (336, 762321), (372, 688548), (392, 653418), (434, 590184), (441, 580816), (496, 516411), (504, 508214), (558, 459032), (588, 435612), (651, 393456), (744, 344274), (784, 326709), (868, 295092), (882, 290408), (1008, 254107), (1116, 229516), (1171, 218736), (1176, 217806), (1302, 196728), (1488, 172137), (1519, 168624), (1736, 147546), (1764, 145204), (1953, 131152), (2232, 114758), (2342, 109368), (2352, 108903), (2604, 98364), (3038, 84312), (3472, 73773), (3513, 72912), (3528, 72602), (3906, 65576), (4464, 57379), (4557, 56208), (4684, 54684), (5208, 49182), (6076, 42156), (7026, 36456), (7056, 36301), (7812, 32788), (8197, 31248), (9114, 28104), (9368, 27342), (10416, 24591), (10539, 24304), (12152, 21078), (13671, 18736), (14052, 18228), (15624, 16394)]