256559472

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4421}}^1$

素因数の和:4479

約数の個数: 120

約数和(自身を含む): 798365568

約数和(自身を除く): 541806096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 36, 39, 48, 52, 62, 72, 78, 93, 104, 117, 124, 144, 156, 186, 208, 234, 248, 279, 312, 372, 403, 468, 496, 558, 624, 744, 806, 936, 1116, 1209, 1488, 1612, 1872, 2232, 2418, 3224, 3627, 4421, 4464, 4836, 6448, 7254, 8842, 9672, 13263, 14508, 17684, 19344, 26526, 29016, 35368, 39789, 53052, 57473, 58032, 70736, 79578, 106104, 114946, 137051, 159156, 172419, 212208, 229892, 274102, 318312, 344838, 411153, 459784, 517257, 548204, 636624, 689676, 822306, 919568, 1034514, 1096408, 1233459, 1379352, 1644612, 1781663, 2069028, 2192816, 2466918, 2758704, 3289224, 3563326, 4138056, 4933836, 5344989, 6578448, 7126652, 8276112, 9867672, 10689978, 14253304, 16034967, 19735344, 21379956, 28506608, 32069934, 42759912, 64139868, 85519824, 128279736, 256559472]

約数ペア:

[(1, 256559472), (2, 128279736), (3, 85519824), (4, 64139868), (6, 42759912), (8, 32069934), (9, 28506608), (12, 21379956), (13, 19735344), (16, 16034967), (18, 14253304), (24, 10689978), (26, 9867672), (31, 8276112), (36, 7126652), (39, 6578448), (48, 5344989), (52, 4933836), (62, 4138056), (72, 3563326), (78, 3289224), (93, 2758704), (104, 2466918), (117, 2192816), (124, 2069028), (144, 1781663), (156, 1644612), (186, 1379352), (208, 1233459), (234, 1096408), (248, 1034514), (279, 919568), (312, 822306), (372, 689676), (403, 636624), (468, 548204), (496, 517257), (558, 459784), (624, 411153), (744, 344838), (806, 318312), (936, 274102), (1116, 229892), (1209, 212208), (1488, 172419), (1612, 159156), (1872, 137051), (2232, 114946), (2418, 106104), (3224, 79578), (3627, 70736), (4421, 58032), (4464, 57473), (4836, 53052), (6448, 39789), (7254, 35368), (8842, 29016), (9672, 26526), (13263, 19344), (14508, 17684)]