129447920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1663}}^1$

素因数の和:1822

約数の個数: 80

約数和(自身を含む): 346644480

約数和(自身を除く): 217196560

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, 973, 1112, 1390, 1663, 1946, 2224, 2780, 3326, 3892, 4865, 5560, 6652, 7784, 8315, 9730, 11120, 11641, 13304, 15568, 16630, 19460, 23282, 26608, 33260, 38920, 46564, 58205, 66520, 77840, 93128, 116410, 133040, 186256, 231157, 232820, 462314, 465640, 924628, 931280, 1155785, 1618099, 1849256, 2311570, 3236198, 3698512, 4623140, 6472396, 8090495, 9246280, 12944792, 16180990, 18492560, 25889584, 32361980, 64723960, 129447920]

約数ペア:

[(1, 129447920), (2, 64723960), (4, 32361980), (5, 25889584), (7, 18492560), (8, 16180990), (10, 12944792), (14, 9246280), (16, 8090495), (20, 6472396), (28, 4623140), (35, 3698512), (40, 3236198), (56, 2311570), (70, 1849256), (80, 1618099), (112, 1155785), (139, 931280), (140, 924628), (278, 465640), (280, 462314), (556, 232820), (560, 231157), (695, 186256), (973, 133040), (1112, 116410), (1390, 93128), (1663, 77840), (1946, 66520), (2224, 58205), (2780, 46564), (3326, 38920), (3892, 33260), (4865, 26608), (5560, 23282), (6652, 19460), (7784, 16630), (8315, 15568), (9730, 13304), (11120, 11641)]