87388020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16741}}^1$

素因数の和:16785

約数の個数: 72

約数和(自身を含む): 274233960

約数和(自身を除く): 186845940

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, 16741, 33482, 50223, 66964, 83705, 100446, 150669, 167410, 200892, 251115, 301338, 334820, 485489, 502230, 602676, 753345, 970978, 1004460, 1456467, 1506690, 1941956, 2427445, 2912934, 3013380, 4369401, 4854890, 5825868, 7282335, 8738802, 9709780, 14564670, 17477604, 21847005, 29129340, 43694010, 87388020]

約数ペア:

[(1, 87388020), (2, 43694010), (3, 29129340), (4, 21847005), (5, 17477604), (6, 14564670), (9, 9709780), (10, 8738802), (12, 7282335), (15, 5825868), (18, 4854890), (20, 4369401), (29, 3013380), (30, 2912934), (36, 2427445), (45, 1941956), (58, 1506690), (60, 1456467), (87, 1004460), (90, 970978), (116, 753345), (145, 602676), (174, 502230), (180, 485489), (261, 334820), (290, 301338), (348, 251115), (435, 200892), (522, 167410), (580, 150669), (870, 100446), (1044, 83705), (1305, 66964), (1740, 50223), (2610, 33482), (5220, 16741)]