289368560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1259}}^1$

素因数の和:1315

約数の個数: 120

約数和(自身を含む): 771981840

約数和(自身を除く): 482613280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 169, 170, 208, 221, 260, 272, 338, 340, 442, 520, 676, 680, 845, 884, 1040, 1105, 1259, 1352, 1360, 1690, 1768, 2210, 2518, 2704, 2873, 3380, 3536, 4420, 5036, 5746, 6295, 6760, 8840, 10072, 11492, 12590, 13520, 14365, 16367, 17680, 20144, 21403, 22984, 25180, 28730, 32734, 42806, 45968, 50360, 57460, 65468, 81835, 85612, 100720, 107015, 114920, 130936, 163670, 171224, 212771, 214030, 229840, 261872, 278239, 327340, 342448, 425542, 428060, 556478, 654680, 851084, 856120, 1063855, 1112956, 1309360, 1391195, 1702168, 1712240, 2127710, 2225912, 2782390, 3404336, 3617107, 4255420, 4451824, 5564780, 7234214, 8510840, 11129560, 14468428, 17021680, 18085535, 22259120, 28936856, 36171070, 57873712, 72342140, 144684280, 289368560]

約数ペア:

[(1, 289368560), (2, 144684280), (4, 72342140), (5, 57873712), (8, 36171070), (10, 28936856), (13, 22259120), (16, 18085535), (17, 17021680), (20, 14468428), (26, 11129560), (34, 8510840), (40, 7234214), (52, 5564780), (65, 4451824), (68, 4255420), (80, 3617107), (85, 3404336), (104, 2782390), (130, 2225912), (136, 2127710), (169, 1712240), (170, 1702168), (208, 1391195), (221, 1309360), (260, 1112956), (272, 1063855), (338, 856120), (340, 851084), (442, 654680), (520, 556478), (676, 428060), (680, 425542), (845, 342448), (884, 327340), (1040, 278239), (1105, 261872), (1259, 229840), (1352, 214030), (1360, 212771), (1690, 171224), (1768, 163670), (2210, 130936), (2518, 114920), (2704, 107015), (2873, 100720), (3380, 85612), (3536, 81835), (4420, 65468), (5036, 57460), (5746, 50360), (6295, 45968), (6760, 42806), (8840, 32734), (10072, 28730), (11492, 25180), (12590, 22984), (13520, 21403), (14365, 20144), (16367, 17680)]