128156220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{24551}}^1$

素因数の和:24595

約数の個数: 72

約数和(自身を含む): 402161760

約数和(自身を除く): 274005540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 24551, 49102, 73653, 98204, 122755, 147306, 220959, 245510, 294612, 368265, 441918, 491020, 711979, 736530, 883836, 1104795, 1423958, 1473060, 2135937, 2209590, 2847916, 3559895, 4271874, 4419180, 6407811, 7119790, 8543748, 10679685, 12815622, 14239580, 21359370, 25631244, 32039055, 42718740, 64078110, 128156220]

約数ペア:

[(1, 128156220), (2, 64078110), (3, 42718740), (4, 32039055), (5, 25631244), (6, 21359370), (9, 14239580), (10, 12815622), (12, 10679685), (15, 8543748), (18, 7119790), (20, 6407811), (29, 4419180), (30, 4271874), (36, 3559895), (45, 2847916), (58, 2209590), (60, 2135937), (87, 1473060), (90, 1423958), (116, 1104795), (145, 883836), (174, 736530), (180, 711979), (261, 491020), (290, 441918), (348, 368265), (435, 294612), (522, 245510), (580, 220959), (870, 147306), (1044, 122755), (1305, 98204), (1740, 73653), (2610, 49102), (5220, 24551)]