7515540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1029

約数の個数: 72

約数和(自身を含む): 23351328

約数和(自身を除く): 15835788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 971, 1290, 1548, 1935, 1942, 2580, 2913, 3870, 3884, 4855, 5826, 7740, 8739, 9710, 11652, 14565, 17478, 19420, 29130, 34956, 41753, 43695, 58260, 83506, 87390, 125259, 167012, 174780, 208765, 250518, 375777, 417530, 501036, 626295, 751554, 835060, 1252590, 1503108, 1878885, 2505180, 3757770, 7515540]

約数ペア:

[(1, 7515540), (2, 3757770), (3, 2505180), (4, 1878885), (5, 1503108), (6, 1252590), (9, 835060), (10, 751554), (12, 626295), (15, 501036), (18, 417530), (20, 375777), (30, 250518), (36, 208765), (43, 174780), (45, 167012), (60, 125259), (86, 87390), (90, 83506), (129, 58260), (172, 43695), (180, 41753), (215, 34956), (258, 29130), (387, 19420), (430, 17478), (516, 14565), (645, 11652), (774, 9710), (860, 8739), (971, 7740), (1290, 5826), (1548, 4855), (1935, 3884), (1942, 3870), (2580, 2913)]