147940480

素因数分解:

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

素因数の和:1821

約数の個数: 64

約数和(自身を含む): 356428800

約数和(自身を除く): 208488320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 556, 640, 695, 1112, 1390, 1663, 2224, 2780, 3326, 4448, 5560, 6652, 8315, 8896, 11120, 13304, 16630, 17792, 22240, 26608, 33260, 44480, 53216, 66520, 88960, 106432, 133040, 212864, 231157, 266080, 462314, 532160, 924628, 1064320, 1155785, 1849256, 2311570, 3698512, 4623140, 7397024, 9246280, 14794048, 18492560, 29588096, 36985120, 73970240, 147940480]

約数ペア:

[(1, 147940480), (2, 73970240), (4, 36985120), (5, 29588096), (8, 18492560), (10, 14794048), (16, 9246280), (20, 7397024), (32, 4623140), (40, 3698512), (64, 2311570), (80, 1849256), (128, 1155785), (139, 1064320), (160, 924628), (278, 532160), (320, 462314), (556, 266080), (640, 231157), (695, 212864), (1112, 133040), (1390, 106432), (1663, 88960), (2224, 66520), (2780, 53216), (3326, 44480), (4448, 33260), (5560, 26608), (6652, 22240), (8315, 17792), (8896, 16630), (11120, 13304)]