12631640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 32788800

約数和(自身を除く): 20157160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 229, 280, 394, 458, 788, 916, 985, 1145, 1379, 1576, 1603, 1832, 1970, 2290, 2758, 3206, 3940, 4580, 5516, 6412, 6895, 7880, 8015, 9160, 11032, 12824, 13790, 16030, 27580, 32060, 45113, 55160, 64120, 90226, 180452, 225565, 315791, 360904, 451130, 631582, 902260, 1263164, 1578955, 1804520, 2526328, 3157910, 6315820, 12631640]

約数ペア:

[(1, 12631640), (2, 6315820), (4, 3157910), (5, 2526328), (7, 1804520), (8, 1578955), (10, 1263164), (14, 902260), (20, 631582), (28, 451130), (35, 360904), (40, 315791), (56, 225565), (70, 180452), (140, 90226), (197, 64120), (229, 55160), (280, 45113), (394, 32060), (458, 27580), (788, 16030), (916, 13790), (985, 12824), (1145, 11032), (1379, 9160), (1576, 8015), (1603, 7880), (1832, 6895), (1970, 6412), (2290, 5516), (2758, 4580), (3206, 3940)]