1800486540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{232621}}^1$

素因数の和:232679

約数の個数: 72

約数和(自身を含む): 5588510928

約数和(自身を除く): 3788024388

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, 1290, 1548, 1935, 2580, 3870, 7740, 232621, 465242, 697863, 930484, 1163105, 1395726, 2093589, 2326210, 2791452, 3489315, 4187178, 4652420, 6978630, 8374356, 10002703, 10467945, 13957260, 20005406, 20935890, 30008109, 40010812, 41871780, 50013515, 60016218, 90024327, 100027030, 120032436, 150040545, 180048654, 200054060, 300081090, 360097308, 450121635, 600162180, 900243270, 1800486540]

約数ペア:

[(1, 1800486540), (2, 900243270), (3, 600162180), (4, 450121635), (5, 360097308), (6, 300081090), (9, 200054060), (10, 180048654), (12, 150040545), (15, 120032436), (18, 100027030), (20, 90024327), (30, 60016218), (36, 50013515), (43, 41871780), (45, 40010812), (60, 30008109), (86, 20935890), (90, 20005406), (129, 13957260), (172, 10467945), (180, 10002703), (215, 8374356), (258, 6978630), (387, 4652420), (430, 4187178), (516, 3489315), (645, 2791452), (774, 2326210), (860, 2093589), (1290, 1395726), (1548, 1163105), (1935, 930484), (2580, 697863), (3870, 465242), (7740, 232621)]