72558780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{172759}}^1$

素因数の和:172778

約数の個数: 48

約数和(自身を含む): 232189440

約数和(自身を除く): 159630660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 172759, 345518, 518277, 691036, 863795, 1036554, 1209313, 1727590, 2073108, 2418626, 2591385, 3455180, 3627939, 4837252, 5182770, 6046565, 7255878, 10365540, 12093130, 14511756, 18139695, 24186260, 36279390, 72558780]

約数ペア:

[(1, 72558780), (2, 36279390), (3, 24186260), (4, 18139695), (5, 14511756), (6, 12093130), (7, 10365540), (10, 7255878), (12, 6046565), (14, 5182770), (15, 4837252), (20, 3627939), (21, 3455180), (28, 2591385), (30, 2418626), (35, 2073108), (42, 1727590), (60, 1209313), (70, 1036554), (84, 863795), (105, 691036), (140, 518277), (210, 345518), (420, 172759)]