261005616

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1095

約数の個数: 120

約数和(自身を含む): 767569920

約数和(自身を除く): 506564304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 59, 62, 72, 93, 118, 124, 144, 177, 186, 236, 248, 279, 354, 372, 472, 496, 531, 558, 708, 744, 944, 991, 1062, 1116, 1416, 1488, 1829, 1982, 2124, 2232, 2832, 2973, 3658, 3964, 4248, 4464, 5487, 5946, 7316, 7928, 8496, 8919, 10974, 11892, 14632, 15856, 16461, 17838, 21948, 23784, 29264, 30721, 32922, 35676, 43896, 47568, 58469, 61442, 65844, 71352, 87792, 92163, 116938, 122884, 131688, 142704, 175407, 184326, 233876, 245768, 263376, 276489, 350814, 368652, 467752, 491536, 526221, 552978, 701628, 737304, 935504, 1052442, 1105956, 1403256, 1474608, 1812539, 2104884, 2211912, 2806512, 3625078, 4209768, 4423824, 5437617, 7250156, 8419536, 10875234, 14500312, 16312851, 21750468, 29000624, 32625702, 43500936, 65251404, 87001872, 130502808, 261005616]

約数ペア:

[(1, 261005616), (2, 130502808), (3, 87001872), (4, 65251404), (6, 43500936), (8, 32625702), (9, 29000624), (12, 21750468), (16, 16312851), (18, 14500312), (24, 10875234), (31, 8419536), (36, 7250156), (48, 5437617), (59, 4423824), (62, 4209768), (72, 3625078), (93, 2806512), (118, 2211912), (124, 2104884), (144, 1812539), (177, 1474608), (186, 1403256), (236, 1105956), (248, 1052442), (279, 935504), (354, 737304), (372, 701628), (472, 552978), (496, 526221), (531, 491536), (558, 467752), (708, 368652), (744, 350814), (944, 276489), (991, 263376), (1062, 245768), (1116, 233876), (1416, 184326), (1488, 175407), (1829, 142704), (1982, 131688), (2124, 122884), (2232, 116938), (2832, 92163), (2973, 87792), (3658, 71352), (3964, 65844), (4248, 61442), (4464, 58469), (5487, 47568), (5946, 43896), (7316, 35676), (7928, 32922), (8496, 30721), (8919, 29264), (10974, 23784), (11892, 21948), (14632, 17838), (15856, 16461)]