71534960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{919}}^1$

素因数の和:1078

約数の個数: 80

約数和(自身を含む): 191654400

約数和(自身を除く): 120119440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 919, 973, 1112, 1390, 1838, 1946, 2224, 2780, 3676, 3892, 4595, 4865, 5560, 6433, 7352, 7784, 9190, 9730, 11120, 12866, 14704, 15568, 18380, 19460, 25732, 32165, 36760, 38920, 51464, 64330, 73520, 77840, 102928, 127741, 128660, 255482, 257320, 510964, 514640, 638705, 894187, 1021928, 1277410, 1788374, 2043856, 2554820, 3576748, 4470935, 5109640, 7153496, 8941870, 10219280, 14306992, 17883740, 35767480, 71534960]

約数ペア:

[(1, 71534960), (2, 35767480), (4, 17883740), (5, 14306992), (7, 10219280), (8, 8941870), (10, 7153496), (14, 5109640), (16, 4470935), (20, 3576748), (28, 2554820), (35, 2043856), (40, 1788374), (56, 1277410), (70, 1021928), (80, 894187), (112, 638705), (139, 514640), (140, 510964), (278, 257320), (280, 255482), (556, 128660), (560, 127741), (695, 102928), (919, 77840), (973, 73520), (1112, 64330), (1390, 51464), (1838, 38920), (1946, 36760), (2224, 32165), (2780, 25732), (3676, 19460), (3892, 18380), (4595, 15568), (4865, 14704), (5560, 12866), (6433, 11120), (7352, 9730), (7784, 9190)]