180581580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2579}}^1$

素因数の和:2983

約数の個数: 72

約数和(自身を含む): 549385200

約数和(自身を除く): 368803620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 389, 778, 1167, 1556, 1945, 2334, 2579, 3501, 3890, 4668, 5158, 5835, 7002, 7737, 7780, 10316, 11670, 12895, 14004, 15474, 17505, 23211, 23340, 25790, 30948, 35010, 38685, 46422, 51580, 70020, 77370, 92844, 116055, 154740, 232110, 464220, 1003231, 2006462, 3009693, 4012924, 5016155, 6019386, 9029079, 10032310, 12038772, 15048465, 18058158, 20064620, 30096930, 36116316, 45145395, 60193860, 90290790, 180581580]

約数ペア:

[(1, 180581580), (2, 90290790), (3, 60193860), (4, 45145395), (5, 36116316), (6, 30096930), (9, 20064620), (10, 18058158), (12, 15048465), (15, 12038772), (18, 10032310), (20, 9029079), (30, 6019386), (36, 5016155), (45, 4012924), (60, 3009693), (90, 2006462), (180, 1003231), (389, 464220), (778, 232110), (1167, 154740), (1556, 116055), (1945, 92844), (2334, 77370), (2579, 70020), (3501, 51580), (3890, 46422), (4668, 38685), (5158, 35010), (5835, 30948), (7002, 25790), (7737, 23340), (7780, 23211), (10316, 17505), (11670, 15474), (12895, 14004)]