131913320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{42829}}^1$

素因数の和:42858

約数の個数: 64

約数和(自身を含む): 370051200

約数和(自身を除く): 238137880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 42829, 85658, 171316, 214145, 299803, 342632, 428290, 471119, 599606, 856580, 942238, 1199212, 1499015, 1713160, 1884476, 2355595, 2398424, 2998030, 3297833, 3768952, 4711190, 5996060, 6595666, 9422380, 11992120, 13191332, 16489165, 18844760, 26382664, 32978330, 65956660, 131913320]

約数ペア:

[(1, 131913320), (2, 65956660), (4, 32978330), (5, 26382664), (7, 18844760), (8, 16489165), (10, 13191332), (11, 11992120), (14, 9422380), (20, 6595666), (22, 5996060), (28, 4711190), (35, 3768952), (40, 3297833), (44, 2998030), (55, 2398424), (56, 2355595), (70, 1884476), (77, 1713160), (88, 1499015), (110, 1199212), (140, 942238), (154, 856580), (220, 599606), (280, 471119), (308, 428290), (385, 342632), (440, 299803), (616, 214145), (770, 171316), (1540, 85658), (3080, 42829)]