31357829776

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:470

約数の個数: 240

約数和(自身を含む): 78579887232

約数和(自身を除く): 47222057456

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 73, 91, 104, 112, 124, 146, 182, 208, 217, 248, 292, 307, 364, 403, 434, 496, 511, 584, 614, 728, 806, 868, 949, 961, 1022, 1168, 1228, 1456, 1612, 1736, 1898, 1922, 2044, 2149, 2263, 2456, 2821, 3224, 3472, 3796, 3844, 3991, 4088, 4298, 4526, 4912, 5642, 6448, 6643, 6727, 7592, 7688, 7982, 8176, 8596, 9052, 9517, 11284, 12493, 13286, 13454, 15184, 15376, 15841, 15964, 17192, 18104, 19034, 22411, 22568, 24986, 26572, 26908, 27937, 29419, 31682, 31928, 34384, 36208, 38068, 44822, 45136, 49972, 53144, 53816, 55874, 58838, 63364, 63856, 66619, 70153, 76136, 87451, 89644, 99944, 106288, 107632, 111748, 117676, 123721, 126728, 133238, 140306, 152272, 156877, 174902, 179288, 199888, 205933, 223496, 235352, 247442, 253456, 266476, 280612, 291343, 295027, 313754, 349804, 358576, 411866, 446992, 470704, 491071, 494884, 532952, 561224, 582686, 590054, 627508, 694741, 699608, 823732, 866047, 911989, 982142, 989768, 1065904, 1122448, 1165372, 1180108, 1255016, 1389482, 1399216, 1647464, 1732094, 1823978, 1964284, 1979536, 2039401, 2065189, 2330744, 2360216, 2510032, 2778964, 3294928, 3464188, 3647956, 3835351, 3928568, 4078802, 4130378, 4661488, 4720432, 4863187, 5557928, 6383923, 6928376, 7295912, 7670702, 7857136, 8157604, 8260756, 9031633, 9726374, 11115856, 12767846, 13856752, 14591824, 15341404, 16315208, 16521512, 18063266, 19452748, 21536971, 25535692, 26847457, 30682808, 32630416, 33043024, 36126532, 38905496, 43073942, 51071384, 53694914, 61365616, 63221431, 72253064, 77810992, 86147884, 102142768, 107389828, 126442862, 144506128, 150758797, 172295768, 214779656, 252885724, 279980623, 301517594, 344591536, 429559312, 505771448, 559961246, 603035188, 1011542896, 1119922492, 1206070376, 1959864361, 2239844984, 2412140752, 3919728722, 4479689968, 7839457444, 15678914888, 31357829776]

約数ペア:

[(1, 31357829776), (2, 15678914888), (4, 7839457444), (7, 4479689968), (8, 3919728722), (13, 2412140752), (14, 2239844984), (16, 1959864361), (26, 1206070376), (28, 1119922492), (31, 1011542896), (52, 603035188), (56, 559961246), (62, 505771448), (73, 429559312), (91, 344591536), (104, 301517594), (112, 279980623), (124, 252885724), (146, 214779656), (182, 172295768), (208, 150758797), (217, 144506128), (248, 126442862), (292, 107389828), (307, 102142768), (364, 86147884), (403, 77810992), (434, 72253064), (496, 63221431), (511, 61365616), (584, 53694914), (614, 51071384), (728, 43073942), (806, 38905496), (868, 36126532), (949, 33043024), (961, 32630416), (1022, 30682808), (1168, 26847457), (1228, 25535692), (1456, 21536971), (1612, 19452748), (1736, 18063266), (1898, 16521512), (1922, 16315208), (2044, 15341404), (2149, 14591824), (2263, 13856752), (2456, 12767846), (2821, 11115856), (3224, 9726374), (3472, 9031633), (3796, 8260756), (3844, 8157604), (3991, 7857136), (4088, 7670702), (4298, 7295912), (4526, 6928376), (4912, 6383923), (5642, 5557928), (6448, 4863187), (6643, 4720432), (6727, 4661488), (7592, 4130378), (7688, 4078802), (7982, 3928568), (8176, 3835351), (8596, 3647956), (9052, 3464188), (9517, 3294928), (11284, 2778964), (12493, 2510032), (13286, 2360216), (13454, 2330744), (15184, 2065189), (15376, 2039401), (15841, 1979536), (15964, 1964284), (17192, 1823978), (18104, 1732094), (19034, 1647464), (22411, 1399216), (22568, 1389482), (24986, 1255016), (26572, 1180108), (26908, 1165372), (27937, 1122448), (29419, 1065904), (31682, 989768), (31928, 982142), (34384, 911989), (36208, 866047), (38068, 823732), (44822, 699608), (45136, 694741), (49972, 627508), (53144, 590054), (53816, 582686), (55874, 561224), (58838, 532952), (63364, 494884), (63856, 491071), (66619, 470704), (70153, 446992), (76136, 411866), (87451, 358576), (89644, 349804), (99944, 313754), (106288, 295027), (107632, 291343), (111748, 280612), (117676, 266476), (123721, 253456), (126728, 247442), (133238, 235352), (140306, 223496), (152272, 205933), (156877, 199888), (174902, 179288)]