25752420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1811}}^1$

素因数の和:1905

約数の個数: 72

約数和(自身を含む): 79148160

約数和(自身を除く): 53395740

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, 1811, 2370, 2844, 3555, 3622, 4740, 5433, 7110, 7244, 9055, 10866, 14220, 16299, 18110, 21732, 27165, 32598, 36220, 54330, 65196, 81495, 108660, 143069, 162990, 286138, 325980, 429207, 572276, 715345, 858414, 1287621, 1430690, 1716828, 2146035, 2575242, 2861380, 4292070, 5150484, 6438105, 8584140, 12876210, 25752420]

約数ペア:

[(1, 25752420), (2, 12876210), (3, 8584140), (4, 6438105), (5, 5150484), (6, 4292070), (9, 2861380), (10, 2575242), (12, 2146035), (15, 1716828), (18, 1430690), (20, 1287621), (30, 858414), (36, 715345), (45, 572276), (60, 429207), (79, 325980), (90, 286138), (158, 162990), (180, 143069), (237, 108660), (316, 81495), (395, 65196), (474, 54330), (711, 36220), (790, 32598), (948, 27165), (1185, 21732), (1422, 18110), (1580, 16299), (1811, 14220), (2370, 10866), (2844, 9055), (3555, 7244), (3622, 7110), (4740, 5433)]