72342140

素因数分解:

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

素因数の和:1311

約数の個数: 72

約数和(自身を含む): 174318480

約数和(自身を除く): 101976340

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 338, 340, 442, 676, 845, 884, 1105, 1259, 1690, 2210, 2518, 2873, 3380, 4420, 5036, 5746, 6295, 11492, 12590, 14365, 16367, 21403, 25180, 28730, 32734, 42806, 57460, 65468, 81835, 85612, 107015, 163670, 212771, 214030, 278239, 327340, 425542, 428060, 556478, 851084, 1063855, 1112956, 1391195, 2127710, 2782390, 3617107, 4255420, 5564780, 7234214, 14468428, 18085535, 36171070, 72342140]

約数ペア:

[(1, 72342140), (2, 36171070), (4, 18085535), (5, 14468428), (10, 7234214), (13, 5564780), (17, 4255420), (20, 3617107), (26, 2782390), (34, 2127710), (52, 1391195), (65, 1112956), (68, 1063855), (85, 851084), (130, 556478), (169, 428060), (170, 425542), (221, 327340), (260, 278239), (338, 214030), (340, 212771), (442, 163670), (676, 107015), (845, 85612), (884, 81835), (1105, 65468), (1259, 57460), (1690, 42806), (2210, 32734), (2518, 28730), (2873, 25180), (3380, 21403), (4420, 16367), (5036, 14365), (5746, 12590), (6295, 11492)]