257268816

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 270

約数和(自身を含む): 892699002

約数和(自身を除く): 635430186

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 36, 38, 42, 48, 49, 56, 57, 63, 72, 76, 84, 98, 101, 112, 114, 126, 133, 144, 147, 152, 168, 171, 196, 202, 228, 252, 266, 294, 303, 304, 336, 342, 361, 392, 399, 404, 441, 456, 504, 532, 588, 606, 684, 707, 722, 784, 798, 808, 882, 909, 912, 931, 1008, 1064, 1083, 1176, 1197, 1212, 1368, 1414, 1444, 1596, 1616, 1764, 1818, 1862, 1919, 2121, 2128, 2166, 2352, 2394, 2424, 2527, 2736, 2793, 2828, 2888, 3192, 3249, 3528, 3636, 3724, 3838, 4242, 4332, 4788, 4848, 4949, 5054, 5586, 5656, 5757, 5776, 6363, 6384, 6498, 7056, 7272, 7448, 7581, 7676, 8379, 8484, 8664, 9576, 9898, 10108, 11172, 11312, 11514, 12726, 12996, 13433, 14544, 14847, 14896, 15162, 15352, 16758, 16968, 17271, 17328, 17689, 19152, 19796, 20216, 22344, 22743, 23028, 25452, 25992, 26866, 29694, 30324, 30704, 33516, 33936, 34542, 35378, 36461, 39592, 40299, 40432, 44541, 44688, 45486, 46056, 50904, 51984, 53067, 53732, 59388, 60648, 67032, 69084, 70756, 72922, 79184, 80598, 89082, 90972, 92112, 94031, 101808, 106134, 107464, 109383, 118776, 120897, 121296, 134064, 138168, 141512, 145844, 159201, 161196, 178164, 181944, 188062, 212268, 214928, 218766, 237552, 241794, 255227, 276336, 282093, 283024, 291688, 318402, 322392, 328149, 356328, 363888, 376124, 424536, 437532, 483588, 510454, 564186, 583376, 636804, 644784, 656298, 712656, 752248, 765681, 846279, 849072, 875064, 967176, 1020908, 1128372, 1273608, 1312596, 1504496, 1531362, 1692558, 1750128, 1786589, 1934352, 2041816, 2256744, 2297043, 2547216, 2625192, 3062724, 3385116, 3573178, 4083632, 4513488, 4594086, 5250384, 5359767, 6125448, 6770232, 7146356, 9188172, 10719534, 12250896, 13540464, 14292712, 16079301, 18376344, 21439068, 28585424, 32158602, 36752688, 42878136, 64317204, 85756272, 128634408, 257268816]

約数ペア:

[(1, 257268816), (2, 128634408), (3, 85756272), (4, 64317204), (6, 42878136), (7, 36752688), (8, 32158602), (9, 28585424), (12, 21439068), (14, 18376344), (16, 16079301), (18, 14292712), (19, 13540464), (21, 12250896), (24, 10719534), (28, 9188172), (36, 7146356), (38, 6770232), (42, 6125448), (48, 5359767), (49, 5250384), (56, 4594086), (57, 4513488), (63, 4083632), (72, 3573178), (76, 3385116), (84, 3062724), (98, 2625192), (101, 2547216), (112, 2297043), (114, 2256744), (126, 2041816), (133, 1934352), (144, 1786589), (147, 1750128), (152, 1692558), (168, 1531362), (171, 1504496), (196, 1312596), (202, 1273608), (228, 1128372), (252, 1020908), (266, 967176), (294, 875064), (303, 849072), (304, 846279), (336, 765681), (342, 752248), (361, 712656), (392, 656298), (399, 644784), (404, 636804), (441, 583376), (456, 564186), (504, 510454), (532, 483588), (588, 437532), (606, 424536), (684, 376124), (707, 363888), (722, 356328), (784, 328149), (798, 322392), (808, 318402), (882, 291688), (909, 283024), (912, 282093), (931, 276336), (1008, 255227), (1064, 241794), (1083, 237552), (1176, 218766), (1197, 214928), (1212, 212268), (1368, 188062), (1414, 181944), (1444, 178164), (1596, 161196), (1616, 159201), (1764, 145844), (1818, 141512), (1862, 138168), (1919, 134064), (2121, 121296), (2128, 120897), (2166, 118776), (2352, 109383), (2394, 107464), (2424, 106134), (2527, 101808), (2736, 94031), (2793, 92112), (2828, 90972), (2888, 89082), (3192, 80598), (3249, 79184), (3528, 72922), (3636, 70756), (3724, 69084), (3838, 67032), (4242, 60648), (4332, 59388), (4788, 53732), (4848, 53067), (4949, 51984), (5054, 50904), (5586, 46056), (5656, 45486), (5757, 44688), (5776, 44541), (6363, 40432), (6384, 40299), (6498, 39592), (7056, 36461), (7272, 35378), (7448, 34542), (7581, 33936), (7676, 33516), (8379, 30704), (8484, 30324), (8664, 29694), (9576, 26866), (9898, 25992), (10108, 25452), (11172, 23028), (11312, 22743), (11514, 22344), (12726, 20216), (12996, 19796), (13433, 19152), (14544, 17689), (14847, 17328), (14896, 17271), (15162, 16968), (15352, 16758)]