255645468

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 731867136

約数和(自身を除く): 476221668

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 67, 78, 93, 117, 124, 134, 156, 186, 201, 234, 263, 268, 279, 372, 402, 403, 468, 526, 558, 603, 789, 804, 806, 871, 1052, 1116, 1206, 1209, 1578, 1612, 1742, 2077, 2367, 2412, 2418, 2613, 3156, 3419, 3484, 3627, 4154, 4734, 4836, 5226, 6231, 6838, 7254, 7839, 8153, 8308, 9468, 10257, 10452, 12462, 13676, 14508, 15678, 16306, 17621, 18693, 20514, 24459, 24924, 27001, 30771, 31356, 32612, 35242, 37386, 41028, 48918, 52863, 54002, 61542, 70484, 73377, 74772, 81003, 97836, 105726, 105989, 108004, 123084, 146754, 158589, 162006, 211452, 211978, 229073, 243009, 293508, 317178, 317967, 324012, 423956, 458146, 486018, 546251, 634356, 635934, 687219, 916292, 953901, 972036, 1092502, 1271868, 1374438, 1638753, 1907802, 2061657, 2185004, 2748876, 3277506, 3815604, 4123314, 4916259, 6555012, 7101263, 8246628, 9832518, 14202526, 19665036, 21303789, 28405052, 42607578, 63911367, 85215156, 127822734, 255645468]

約数ペア:

[(1, 255645468), (2, 127822734), (3, 85215156), (4, 63911367), (6, 42607578), (9, 28405052), (12, 21303789), (13, 19665036), (18, 14202526), (26, 9832518), (31, 8246628), (36, 7101263), (39, 6555012), (52, 4916259), (62, 4123314), (67, 3815604), (78, 3277506), (93, 2748876), (117, 2185004), (124, 2061657), (134, 1907802), (156, 1638753), (186, 1374438), (201, 1271868), (234, 1092502), (263, 972036), (268, 953901), (279, 916292), (372, 687219), (402, 635934), (403, 634356), (468, 546251), (526, 486018), (558, 458146), (603, 423956), (789, 324012), (804, 317967), (806, 317178), (871, 293508), (1052, 243009), (1116, 229073), (1206, 211978), (1209, 211452), (1578, 162006), (1612, 158589), (1742, 146754), (2077, 123084), (2367, 108004), (2412, 105989), (2418, 105726), (2613, 97836), (3156, 81003), (3419, 74772), (3484, 73377), (3627, 70484), (4154, 61542), (4734, 54002), (4836, 52863), (5226, 48918), (6231, 41028), (6838, 37386), (7254, 35242), (7839, 32612), (8153, 31356), (8308, 30771), (9468, 27001), (10257, 24924), (10452, 24459), (12462, 20514), (13676, 18693), (14508, 17621), (15678, 16306)]