90262760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{673}}^1$

素因数の和:1170

約数の個数: 64

約数和(自身を含む): 232934400

約数和(自身を除く): 142671640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 479, 673, 958, 1346, 1916, 2395, 2692, 3353, 3365, 3832, 4711, 4790, 5384, 6706, 6730, 9422, 9580, 13412, 13460, 16765, 18844, 19160, 23555, 26824, 26920, 33530, 37688, 47110, 67060, 94220, 134120, 188440, 322367, 644734, 1289468, 1611835, 2256569, 2578936, 3223670, 4513138, 6447340, 9026276, 11282845, 12894680, 18052552, 22565690, 45131380, 90262760]

約数ペア:

[(1, 90262760), (2, 45131380), (4, 22565690), (5, 18052552), (7, 12894680), (8, 11282845), (10, 9026276), (14, 6447340), (20, 4513138), (28, 3223670), (35, 2578936), (40, 2256569), (56, 1611835), (70, 1289468), (140, 644734), (280, 322367), (479, 188440), (673, 134120), (958, 94220), (1346, 67060), (1916, 47110), (2395, 37688), (2692, 33530), (3353, 26920), (3365, 26824), (3832, 23555), (4711, 19160), (4790, 18844), (5384, 16765), (6706, 13460), (6730, 13412), (9422, 9580)]