257485809168

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{278563}}^1$

素因数の和:278722

約数の個数: 180

約数和(自身を含む): 844653961008

約数和(自身を除く): 587168151840

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 131, 144, 147, 168, 196, 252, 262, 294, 336, 392, 393, 441, 504, 524, 588, 784, 786, 882, 917, 1008, 1048, 1176, 1179, 1572, 1764, 1834, 2096, 2352, 2358, 2751, 3144, 3528, 3668, 4716, 5502, 6288, 6419, 7056, 7336, 8253, 9432, 11004, 12838, 14672, 16506, 18864, 19257, 22008, 25676, 33012, 38514, 44016, 51352, 57771, 66024, 77028, 102704, 115542, 132048, 154056, 231084, 278563, 308112, 462168, 557126, 835689, 924336, 1114252, 1671378, 1949941, 2228504, 2507067, 3342756, 3899882, 4457008, 5014134, 5849823, 6685512, 7799764, 10028268, 11699646, 13371024, 13649587, 15599528, 17549469, 20056536, 23399292, 27299174, 31199056, 35098938, 36491753, 40113072, 40948761, 46798584, 54598348, 70197876, 72983506, 81897522, 93597168, 109196696, 109475259, 122846283, 140395752, 145967012, 163795044, 218393392, 218950518, 245692566, 255442271, 280791504, 291934024, 327590088, 328425777, 437901036, 491385132, 510884542, 583868048, 655180176, 656851554, 766326813, 875802072, 982770264, 1021769084, 1313703108, 1532653626, 1751604144, 1788095897, 1965540528, 2043538168, 2298980439, 2627406216, 3065307252, 3576191794, 4087076336, 4597960878, 5254812432, 5364287691, 6130614504, 7152383588, 9195921756, 10728575382, 12261229008, 14304767176, 16092863073, 18391843512, 21457150764, 28609534352, 32185726146, 36783687024, 42914301528, 64371452292, 85828603056, 128742904584, 257485809168]

約数ペア:

[(1, 257485809168), (2, 128742904584), (3, 85828603056), (4, 64371452292), (6, 42914301528), (7, 36783687024), (8, 32185726146), (9, 28609534352), (12, 21457150764), (14, 18391843512), (16, 16092863073), (18, 14304767176), (21, 12261229008), (24, 10728575382), (28, 9195921756), (36, 7152383588), (42, 6130614504), (48, 5364287691), (49, 5254812432), (56, 4597960878), (63, 4087076336), (72, 3576191794), (84, 3065307252), (98, 2627406216), (112, 2298980439), (126, 2043538168), (131, 1965540528), (144, 1788095897), (147, 1751604144), (168, 1532653626), (196, 1313703108), (252, 1021769084), (262, 982770264), (294, 875802072), (336, 766326813), (392, 656851554), (393, 655180176), (441, 583868048), (504, 510884542), (524, 491385132), (588, 437901036), (784, 328425777), (786, 327590088), (882, 291934024), (917, 280791504), (1008, 255442271), (1048, 245692566), (1176, 218950518), (1179, 218393392), (1572, 163795044), (1764, 145967012), (1834, 140395752), (2096, 122846283), (2352, 109475259), (2358, 109196696), (2751, 93597168), (3144, 81897522), (3528, 72983506), (3668, 70197876), (4716, 54598348), (5502, 46798584), (6288, 40948761), (6419, 40113072), (7056, 36491753), (7336, 35098938), (8253, 31199056), (9432, 27299174), (11004, 23399292), (12838, 20056536), (14672, 17549469), (16506, 15599528), (18864, 13649587), (19257, 13371024), (22008, 11699646), (25676, 10028268), (33012, 7799764), (38514, 6685512), (44016, 5849823), (51352, 5014134), (57771, 4457008), (66024, 3899882), (77028, 3342756), (102704, 2507067), (115542, 2228504), (132048, 1949941), (154056, 1671378), (231084, 1114252), (278563, 924336), (308112, 835689), (462168, 557126)]