487415880

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{21491}}^1$

素因数の和:21521

約数の個数: 160

約数和(自身を含む): 1872383040

約数和(自身を除く): 1384967160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3780, 4536, 5670, 7560, 11340, 21491, 22680, 42982, 64473, 85964, 107455, 128946, 150437, 171928, 193419, 214910, 257892, 300874, 322365, 386838, 429820, 451311, 515784, 580257, 601748, 644730, 752185, 773676, 859640, 902622, 967095, 1160514, 1203496, 1289460, 1353933, 1504370, 1547352, 1740771, 1805244, 1934190, 2256555, 2321028, 2578920, 2707866, 2901285, 3008740, 3481542, 3610488, 3868380, 4061799, 4513110, 4642056, 5415732, 5802570, 6017480, 6769665, 6963084, 7736760, 8123598, 8703855, 9026220, 10831464, 11605140, 12185397, 13539330, 13926168, 16247196, 17407710, 18052440, 20308995, 23210280, 24370794, 27078660, 32494392, 34815420, 40617990, 48741588, 54157320, 60926985, 69630840, 81235980, 97483176, 121853970, 162471960, 243707940, 487415880]

約数ペア:

[(1, 487415880), (2, 243707940), (3, 162471960), (4, 121853970), (5, 97483176), (6, 81235980), (7, 69630840), (8, 60926985), (9, 54157320), (10, 48741588), (12, 40617990), (14, 34815420), (15, 32494392), (18, 27078660), (20, 24370794), (21, 23210280), (24, 20308995), (27, 18052440), (28, 17407710), (30, 16247196), (35, 13926168), (36, 13539330), (40, 12185397), (42, 11605140), (45, 10831464), (54, 9026220), (56, 8703855), (60, 8123598), (63, 7736760), (70, 6963084), (72, 6769665), (81, 6017480), (84, 5802570), (90, 5415732), (105, 4642056), (108, 4513110), (120, 4061799), (126, 3868380), (135, 3610488), (140, 3481542), (162, 3008740), (168, 2901285), (180, 2707866), (189, 2578920), (210, 2321028), (216, 2256555), (252, 1934190), (270, 1805244), (280, 1740771), (315, 1547352), (324, 1504370), (360, 1353933), (378, 1289460), (405, 1203496), (420, 1160514), (504, 967095), (540, 902622), (567, 859640), (630, 773676), (648, 752185), (756, 644730), (810, 601748), (840, 580257), (945, 515784), (1080, 451311), (1134, 429820), (1260, 386838), (1512, 322365), (1620, 300874), (1890, 257892), (2268, 214910), (2520, 193419), (2835, 171928), (3240, 150437), (3780, 128946), (4536, 107455), (5670, 85964), (7560, 64473), (11340, 42982), (21491, 22680)]