2009179980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{52901}}^1$

素因数の和:53127

約数の個数: 72

約数和(自身を含む): 6123512304

約数和(自身を除く): 4114332324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1266, 1899, 2110, 2532, 3165, 3798, 4220, 6330, 7596, 9495, 12660, 18990, 37980, 52901, 105802, 158703, 211604, 264505, 317406, 476109, 529010, 634812, 793515, 952218, 1058020, 1587030, 1904436, 2380545, 3174060, 4761090, 9522180, 11162111, 22324222, 33486333, 44648444, 55810555, 66972666, 100458999, 111621110, 133945332, 167431665, 200917998, 223242220, 334863330, 401835996, 502294995, 669726660, 1004589990, 2009179980]

約数ペア:

[(1, 2009179980), (2, 1004589990), (3, 669726660), (4, 502294995), (5, 401835996), (6, 334863330), (9, 223242220), (10, 200917998), (12, 167431665), (15, 133945332), (18, 111621110), (20, 100458999), (30, 66972666), (36, 55810555), (45, 44648444), (60, 33486333), (90, 22324222), (180, 11162111), (211, 9522180), (422, 4761090), (633, 3174060), (844, 2380545), (1055, 1904436), (1266, 1587030), (1899, 1058020), (2110, 952218), (2532, 793515), (3165, 634812), (3798, 529010), (4220, 476109), (6330, 317406), (7596, 264505), (9495, 211604), (12660, 158703), (18990, 105802), (37980, 52901)]