180678204

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1753}}^1$

素因数の和:2179

約数の個数: 72

約数和(自身を含む): 523533920

約数和(自身を除く): 342855716

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 409, 818, 1227, 1636, 1753, 2454, 2863, 3506, 3681, 4908, 5259, 5726, 7012, 7362, 8589, 10518, 11452, 12271, 14724, 15777, 17178, 21036, 24542, 25767, 31554, 34356, 36813, 49084, 51534, 63108, 73626, 103068, 110439, 147252, 220878, 441756, 716977, 1433954, 2150931, 2867908, 4301862, 5018839, 6452793, 8603724, 10037678, 12905586, 15056517, 20075356, 25811172, 30113034, 45169551, 60226068, 90339102, 180678204]

約数ペア:

[(1, 180678204), (2, 90339102), (3, 60226068), (4, 45169551), (6, 30113034), (7, 25811172), (9, 20075356), (12, 15056517), (14, 12905586), (18, 10037678), (21, 8603724), (28, 6452793), (36, 5018839), (42, 4301862), (63, 2867908), (84, 2150931), (126, 1433954), (252, 716977), (409, 441756), (818, 220878), (1227, 147252), (1636, 110439), (1753, 103068), (2454, 73626), (2863, 63108), (3506, 51534), (3681, 49084), (4908, 36813), (5259, 34356), (5726, 31554), (7012, 25767), (7362, 24542), (8589, 21036), (10518, 17178), (11452, 15777), (12271, 14724)]