18115140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{359}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 52678080

約数和(自身を除く): 34562940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 359, 435, 580, 718, 841, 870, 1077, 1436, 1682, 1740, 1795, 2154, 2523, 3364, 3590, 4205, 4308, 5046, 5385, 7180, 8410, 10092, 10411, 10770, 12615, 16820, 20822, 21540, 25230, 31233, 41644, 50460, 52055, 62466, 104110, 124932, 156165, 208220, 301919, 312330, 603838, 624660, 905757, 1207676, 1509595, 1811514, 3019190, 3623028, 4528785, 6038380, 9057570, 18115140]

約数ペア:

[(1, 18115140), (2, 9057570), (3, 6038380), (4, 4528785), (5, 3623028), (6, 3019190), (10, 1811514), (12, 1509595), (15, 1207676), (20, 905757), (29, 624660), (30, 603838), (58, 312330), (60, 301919), (87, 208220), (116, 156165), (145, 124932), (174, 104110), (290, 62466), (348, 52055), (359, 50460), (435, 41644), (580, 31233), (718, 25230), (841, 21540), (870, 20822), (1077, 16820), (1436, 12615), (1682, 10770), (1740, 10411), (1795, 10092), (2154, 8410), (2523, 7180), (3364, 5385), (3590, 5046), (4205, 4308)]