30290920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1601}}^1$

素因数の和:1666

約数の個数: 64

約数和(自身を含む): 76127040

約数和(自身を除く): 45836120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1601, 1720, 1892, 2365, 3202, 3784, 4730, 6404, 8005, 9460, 12808, 16010, 17611, 18920, 32020, 35222, 64040, 68843, 70444, 88055, 137686, 140888, 176110, 275372, 344215, 352220, 550744, 688430, 704440, 757273, 1376860, 1514546, 2753720, 3029092, 3786365, 6058184, 7572730, 15145460, 30290920]

約数ペア:

[(1, 30290920), (2, 15145460), (4, 7572730), (5, 6058184), (8, 3786365), (10, 3029092), (11, 2753720), (20, 1514546), (22, 1376860), (40, 757273), (43, 704440), (44, 688430), (55, 550744), (86, 352220), (88, 344215), (110, 275372), (172, 176110), (215, 140888), (220, 137686), (344, 88055), (430, 70444), (440, 68843), (473, 64040), (860, 35222), (946, 32020), (1601, 18920), (1720, 17611), (1892, 16010), (2365, 12808), (3202, 9460), (3784, 8005), (4730, 6404)]