240240420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{190667}}^1$

素因数の和:190689

約数の個数: 72

約数和(自身を含む): 832837824

約数和(自身を除く): 592597404

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 190667, 381334, 572001, 762668, 953335, 1144002, 1334669, 1716003, 1906670, 2288004, 2669338, 2860005, 3432006, 3813340, 4004007, 5338676, 5720010, 6673345, 6864012, 8008014, 8580015, 11440020, 12012021, 13346690, 16016028, 17160030, 20020035, 24024042, 26693380, 34320060, 40040070, 48048084, 60060105, 80080140, 120120210, 240240420]

約数ペア:

[(1, 240240420), (2, 120120210), (3, 80080140), (4, 60060105), (5, 48048084), (6, 40040070), (7, 34320060), (9, 26693380), (10, 24024042), (12, 20020035), (14, 17160030), (15, 16016028), (18, 13346690), (20, 12012021), (21, 11440020), (28, 8580015), (30, 8008014), (35, 6864012), (36, 6673345), (42, 5720010), (45, 5338676), (60, 4004007), (63, 3813340), (70, 3432006), (84, 2860005), (90, 2669338), (105, 2288004), (126, 1906670), (140, 1716003), (180, 1334669), (210, 1144002), (252, 953335), (315, 762668), (420, 572001), (630, 381334), (1260, 190667)]