80131212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{839}}^1$

素因数の和:1235

約数の個数: 72

約数和(自身を含む): 232377600

約数和(自身を除く): 152246388

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 379, 758, 839, 1137, 1516, 1678, 2274, 2517, 2653, 3356, 3411, 4548, 5034, 5306, 5873, 6822, 7551, 7959, 10068, 10612, 11746, 13644, 15102, 15918, 17619, 23492, 23877, 30204, 31836, 35238, 47754, 52857, 70476, 95508, 105714, 211428, 317981, 635962, 953943, 1271924, 1907886, 2225867, 2861829, 3815772, 4451734, 5723658, 6677601, 8903468, 11447316, 13355202, 20032803, 26710404, 40065606, 80131212]

約数ペア:

[(1, 80131212), (2, 40065606), (3, 26710404), (4, 20032803), (6, 13355202), (7, 11447316), (9, 8903468), (12, 6677601), (14, 5723658), (18, 4451734), (21, 3815772), (28, 2861829), (36, 2225867), (42, 1907886), (63, 1271924), (84, 953943), (126, 635962), (252, 317981), (379, 211428), (758, 105714), (839, 95508), (1137, 70476), (1516, 52857), (1678, 47754), (2274, 35238), (2517, 31836), (2653, 30204), (3356, 23877), (3411, 23492), (4548, 17619), (5034, 15918), (5306, 15102), (5873, 13644), (6822, 11746), (7551, 10612), (7959, 10068)]