31509520640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{8269}}^1$

素因数の和:8532

約数の個数: 144

約数和(自身を含む): 81645740400

約数和(自身を除く): 50136219760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 229, 256, 260, 320, 416, 458, 520, 640, 832, 916, 1040, 1145, 1280, 1664, 1832, 2080, 2290, 2977, 3328, 3664, 4160, 4580, 5954, 7328, 8269, 8320, 9160, 11908, 14656, 14885, 16538, 16640, 18320, 23816, 29312, 29770, 33076, 36640, 41345, 47632, 58624, 59540, 66152, 73280, 82690, 95264, 107497, 119080, 132304, 146560, 165380, 190528, 214994, 238160, 264608, 293120, 330760, 381056, 429988, 476320, 529216, 537485, 661520, 762112, 859976, 952640, 1058432, 1074970, 1323040, 1719952, 1893601, 1905280, 2116864, 2149940, 2646080, 3439904, 3787202, 3810560, 4299880, 5292160, 6879808, 7574404, 8599760, 9468005, 10584320, 13759616, 15148808, 17199520, 18936010, 24616813, 27519232, 30297616, 34399040, 37872020, 49233626, 60595232, 68798080, 75744040, 98467252, 121190464, 123084065, 137596160, 151488080, 196934504, 242380928, 246168130, 302976160, 393869008, 484761856, 492336260, 605952320, 787738016, 984672520, 1211904640, 1575476032, 1969345040, 2423809280, 3150952064, 3938690080, 6301904128, 7877380160, 15754760320, 31509520640]

約数ペア:

[(1, 31509520640), (2, 15754760320), (4, 7877380160), (5, 6301904128), (8, 3938690080), (10, 3150952064), (13, 2423809280), (16, 1969345040), (20, 1575476032), (26, 1211904640), (32, 984672520), (40, 787738016), (52, 605952320), (64, 492336260), (65, 484761856), (80, 393869008), (104, 302976160), (128, 246168130), (130, 242380928), (160, 196934504), (208, 151488080), (229, 137596160), (256, 123084065), (260, 121190464), (320, 98467252), (416, 75744040), (458, 68798080), (520, 60595232), (640, 49233626), (832, 37872020), (916, 34399040), (1040, 30297616), (1145, 27519232), (1280, 24616813), (1664, 18936010), (1832, 17199520), (2080, 15148808), (2290, 13759616), (2977, 10584320), (3328, 9468005), (3664, 8599760), (4160, 7574404), (4580, 6879808), (5954, 5292160), (7328, 4299880), (8269, 3810560), (8320, 3787202), (9160, 3439904), (11908, 2646080), (14656, 2149940), (14885, 2116864), (16538, 1905280), (16640, 1893601), (18320, 1719952), (23816, 1323040), (29312, 1074970), (29770, 1058432), (33076, 952640), (36640, 859976), (41345, 762112), (47632, 661520), (58624, 537485), (59540, 529216), (66152, 476320), (73280, 429988), (82690, 381056), (95264, 330760), (107497, 293120), (119080, 264608), (132304, 238160), (146560, 214994), (165380, 190528)]