318287880

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{509}}^1$

素因数の和:725

約数の個数: 160

約数和(自身を含む): 1077456600

約数和(自身を除く): 759168720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 193, 216, 270, 324, 360, 386, 405, 509, 540, 579, 648, 772, 810, 965, 1018, 1080, 1158, 1527, 1544, 1620, 1737, 1930, 2036, 2316, 2545, 2895, 3054, 3240, 3474, 3860, 4072, 4581, 4632, 5090, 5211, 5790, 6108, 6948, 7635, 7720, 8685, 9162, 10180, 10422, 11580, 12216, 13743, 13896, 15270, 15633, 17370, 18324, 20360, 20844, 22905, 23160, 26055, 27486, 30540, 31266, 34740, 36648, 41229, 41688, 45810, 52110, 54972, 61080, 62532, 68715, 69480, 78165, 82458, 91620, 98237, 104220, 109944, 125064, 137430, 156330, 164916, 183240, 196474, 206145, 208440, 274860, 294711, 312660, 329832, 392948, 412290, 491185, 549720, 589422, 625320, 785896, 824580, 884133, 982370, 1178844, 1473555, 1649160, 1768266, 1964740, 2357688, 2652399, 2947110, 3536532, 3929480, 4420665, 5304798, 5894220, 7073064, 7957197, 8841330, 10609596, 11788440, 13261995, 15914394, 17682660, 21219192, 26523990, 31828788, 35365320, 39785985, 53047980, 63657576, 79571970, 106095960, 159143940, 318287880]

約数ペア:

[(1, 318287880), (2, 159143940), (3, 106095960), (4, 79571970), (5, 63657576), (6, 53047980), (8, 39785985), (9, 35365320), (10, 31828788), (12, 26523990), (15, 21219192), (18, 17682660), (20, 15914394), (24, 13261995), (27, 11788440), (30, 10609596), (36, 8841330), (40, 7957197), (45, 7073064), (54, 5894220), (60, 5304798), (72, 4420665), (81, 3929480), (90, 3536532), (108, 2947110), (120, 2652399), (135, 2357688), (162, 1964740), (180, 1768266), (193, 1649160), (216, 1473555), (270, 1178844), (324, 982370), (360, 884133), (386, 824580), (405, 785896), (509, 625320), (540, 589422), (579, 549720), (648, 491185), (772, 412290), (810, 392948), (965, 329832), (1018, 312660), (1080, 294711), (1158, 274860), (1527, 208440), (1544, 206145), (1620, 196474), (1737, 183240), (1930, 164916), (2036, 156330), (2316, 137430), (2545, 125064), (2895, 109944), (3054, 104220), (3240, 98237), (3474, 91620), (3860, 82458), (4072, 78165), (4581, 69480), (4632, 68715), (5090, 62532), (5211, 61080), (5790, 54972), (6108, 52110), (6948, 45810), (7635, 41688), (7720, 41229), (8685, 36648), (9162, 34740), (10180, 31266), (10422, 30540), (11580, 27486), (12216, 26055), (13743, 23160), (13896, 22905), (15270, 20844), (15633, 20360), (17370, 18324)]