261195584

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:129

約数の個数: 168

約数和(自身を含む): 624718080

約数和(自身を除く): 363522496

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 32, 38, 41, 52, 62, 64, 76, 82, 104, 124, 152, 164, 169, 208, 247, 248, 304, 328, 338, 403, 416, 494, 496, 533, 589, 608, 656, 676, 779, 806, 832, 988, 992, 1066, 1178, 1216, 1271, 1312, 1352, 1558, 1612, 1976, 1984, 2132, 2356, 2542, 2624, 2704, 3116, 3211, 3224, 3952, 4264, 4712, 5084, 5239, 5408, 6232, 6422, 6448, 6929, 7657, 7904, 8528, 9424, 10127, 10168, 10478, 10816, 12464, 12844, 12896, 13858, 15314, 15808, 16523, 17056, 18848, 20254, 20336, 20956, 24149, 24928, 25688, 25792, 27716, 30628, 33046, 34112, 37696, 40508, 40672, 41912, 48298, 49856, 51376, 55432, 61256, 66092, 81016, 81344, 83824, 96596, 99541, 102752, 110864, 122512, 131651, 132184, 162032, 167648, 193192, 199082, 205504, 214799, 221728, 245024, 263302, 264368, 313937, 324064, 335296, 386384, 398164, 429598, 443456, 490048, 526604, 528736, 627874, 648128, 772768, 796328, 859196, 1053208, 1057472, 1255748, 1545536, 1592656, 1718392, 2106416, 2511496, 3185312, 3436784, 4081181, 4212832, 5022992, 6370624, 6873568, 8162362, 8425664, 10045984, 13747136, 16324724, 20091968, 32649448, 65298896, 130597792, 261195584]

約数ペア:

[(1, 261195584), (2, 130597792), (4, 65298896), (8, 32649448), (13, 20091968), (16, 16324724), (19, 13747136), (26, 10045984), (31, 8425664), (32, 8162362), (38, 6873568), (41, 6370624), (52, 5022992), (62, 4212832), (64, 4081181), (76, 3436784), (82, 3185312), (104, 2511496), (124, 2106416), (152, 1718392), (164, 1592656), (169, 1545536), (208, 1255748), (247, 1057472), (248, 1053208), (304, 859196), (328, 796328), (338, 772768), (403, 648128), (416, 627874), (494, 528736), (496, 526604), (533, 490048), (589, 443456), (608, 429598), (656, 398164), (676, 386384), (779, 335296), (806, 324064), (832, 313937), (988, 264368), (992, 263302), (1066, 245024), (1178, 221728), (1216, 214799), (1271, 205504), (1312, 199082), (1352, 193192), (1558, 167648), (1612, 162032), (1976, 132184), (1984, 131651), (2132, 122512), (2356, 110864), (2542, 102752), (2624, 99541), (2704, 96596), (3116, 83824), (3211, 81344), (3224, 81016), (3952, 66092), (4264, 61256), (4712, 55432), (5084, 51376), (5239, 49856), (5408, 48298), (6232, 41912), (6422, 40672), (6448, 40508), (6929, 37696), (7657, 34112), (7904, 33046), (8528, 30628), (9424, 27716), (10127, 25792), (10168, 25688), (10478, 24928), (10816, 24149), (12464, 20956), (12844, 20336), (12896, 20254), (13858, 18848), (15314, 17056), (15808, 16523)]