131378580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9239}}^1$

素因数の和:9333

約数の個数: 72

約数和(自身を含む): 403603200

約数和(自身を除く): 272224620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 9239, 14220, 18478, 27717, 36956, 46195, 55434, 83151, 92390, 110868, 138585, 166302, 184780, 277170, 332604, 415755, 554340, 729881, 831510, 1459762, 1663020, 2189643, 2919524, 3649405, 4379286, 6568929, 7298810, 8758572, 10948215, 13137858, 14597620, 21896430, 26275716, 32844645, 43792860, 65689290, 131378580]

約数ペア:

[(1, 131378580), (2, 65689290), (3, 43792860), (4, 32844645), (5, 26275716), (6, 21896430), (9, 14597620), (10, 13137858), (12, 10948215), (15, 8758572), (18, 7298810), (20, 6568929), (30, 4379286), (36, 3649405), (45, 2919524), (60, 2189643), (79, 1663020), (90, 1459762), (158, 831510), (180, 729881), (237, 554340), (316, 415755), (395, 332604), (474, 277170), (711, 184780), (790, 166302), (948, 138585), (1185, 110868), (1422, 92390), (1580, 83151), (2370, 55434), (2844, 46195), (3555, 36956), (4740, 27717), (7110, 18478), (9239, 14220)]