31140252

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 96864768

約数和(自身を除く): 65724516

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 23, 26, 33, 36, 39, 44, 46, 52, 66, 69, 78, 92, 99, 117, 132, 138, 143, 156, 198, 207, 234, 253, 263, 276, 286, 299, 396, 414, 429, 468, 506, 526, 572, 598, 759, 789, 828, 858, 897, 1012, 1052, 1196, 1287, 1518, 1578, 1716, 1794, 2277, 2367, 2574, 2691, 2893, 3036, 3156, 3289, 3419, 3588, 4554, 4734, 5148, 5382, 5786, 6049, 6578, 6838, 8679, 9108, 9468, 9867, 10257, 10764, 11572, 12098, 13156, 13676, 17358, 18147, 19734, 20514, 24196, 26037, 29601, 30771, 34716, 36294, 37609, 39468, 41028, 52074, 54441, 59202, 61542, 66539, 72588, 75218, 78637, 104148, 108882, 112827, 118404, 123084, 133078, 150436, 157274, 199617, 217764, 225654, 235911, 266156, 314548, 338481, 399234, 451308, 471822, 598851, 676962, 707733, 798468, 865007, 943644, 1197702, 1353924, 1415466, 1730014, 2395404, 2595021, 2830932, 3460028, 5190042, 7785063, 10380084, 15570126, 31140252]

約数ペア:

[(1, 31140252), (2, 15570126), (3, 10380084), (4, 7785063), (6, 5190042), (9, 3460028), (11, 2830932), (12, 2595021), (13, 2395404), (18, 1730014), (22, 1415466), (23, 1353924), (26, 1197702), (33, 943644), (36, 865007), (39, 798468), (44, 707733), (46, 676962), (52, 598851), (66, 471822), (69, 451308), (78, 399234), (92, 338481), (99, 314548), (117, 266156), (132, 235911), (138, 225654), (143, 217764), (156, 199617), (198, 157274), (207, 150436), (234, 133078), (253, 123084), (263, 118404), (276, 112827), (286, 108882), (299, 104148), (396, 78637), (414, 75218), (429, 72588), (468, 66539), (506, 61542), (526, 59202), (572, 54441), (598, 52074), (759, 41028), (789, 39468), (828, 37609), (858, 36294), (897, 34716), (1012, 30771), (1052, 29601), (1196, 26037), (1287, 24196), (1518, 20514), (1578, 19734), (1716, 18147), (1794, 17358), (2277, 13676), (2367, 13156), (2574, 12098), (2691, 11572), (2893, 10764), (3036, 10257), (3156, 9867), (3289, 9468), (3419, 9108), (3588, 8679), (4554, 6838), (4734, 6578), (5148, 6049), (5382, 5786)]