1280453520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{48947}}^1$

素因数の和:49072

約数の個数: 80

約数和(自身を含む): 4005904320

約数和(自身を除く): 2725450800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 872, 1090, 1308, 1635, 1744, 2180, 2616, 3270, 4360, 5232, 6540, 8720, 13080, 26160, 48947, 97894, 146841, 195788, 244735, 293682, 391576, 489470, 587364, 734205, 783152, 978940, 1174728, 1468410, 1957880, 2349456, 2936820, 3915760, 5335223, 5873640, 10670446, 11747280, 16005669, 21340892, 26676115, 32011338, 42681784, 53352230, 64022676, 80028345, 85363568, 106704460, 128045352, 160056690, 213408920, 256090704, 320113380, 426817840, 640226760, 1280453520]

約数ペア:

[(1, 1280453520), (2, 640226760), (3, 426817840), (4, 320113380), (5, 256090704), (6, 213408920), (8, 160056690), (10, 128045352), (12, 106704460), (15, 85363568), (16, 80028345), (20, 64022676), (24, 53352230), (30, 42681784), (40, 32011338), (48, 26676115), (60, 21340892), (80, 16005669), (109, 11747280), (120, 10670446), (218, 5873640), (240, 5335223), (327, 3915760), (436, 2936820), (545, 2349456), (654, 1957880), (872, 1468410), (1090, 1174728), (1308, 978940), (1635, 783152), (1744, 734205), (2180, 587364), (2616, 489470), (3270, 391576), (4360, 293682), (5232, 244735), (6540, 195788), (8720, 146841), (13080, 97894), (26160, 48947)]