123320560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3259}}^1$

素因数の和:3326

約数の個数: 80

約数和(自身を含む): 320158080

約数和(自身を除く): 196837520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1892, 2365, 3259, 3440, 3784, 4730, 6518, 7568, 9460, 13036, 16295, 18920, 26072, 32590, 35849, 37840, 52144, 65180, 71698, 130360, 140137, 143396, 179245, 260720, 280274, 286792, 358490, 560548, 573584, 700685, 716980, 1121096, 1401370, 1433960, 1541507, 2242192, 2802740, 2867920, 3083014, 5605480, 6166028, 7707535, 11210960, 12332056, 15415070, 24664112, 30830140, 61660280, 123320560]

約数ペア:

[(1, 123320560), (2, 61660280), (4, 30830140), (5, 24664112), (8, 15415070), (10, 12332056), (11, 11210960), (16, 7707535), (20, 6166028), (22, 5605480), (40, 3083014), (43, 2867920), (44, 2802740), (55, 2242192), (80, 1541507), (86, 1433960), (88, 1401370), (110, 1121096), (172, 716980), (176, 700685), (215, 573584), (220, 560548), (344, 358490), (430, 286792), (440, 280274), (473, 260720), (688, 179245), (860, 143396), (880, 140137), (946, 130360), (1720, 71698), (1892, 65180), (2365, 52144), (3259, 37840), (3440, 35849), (3784, 32590), (4730, 26072), (6518, 18920), (7568, 16295), (9460, 13036)]