68761980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{18191}}^1$

素因数の和:18216

約数の個数: 96

約数和(自身を含む): 244500480

約数和(自身を除く): 175738500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 18191, 36382, 54573, 72764, 90955, 109146, 127337, 163719, 181910, 218292, 254674, 272865, 327438, 363820, 382011, 491157, 509348, 545730, 636685, 654876, 764022, 818595, 982314, 1091460, 1146033, 1273370, 1528044, 1637190, 1910055, 1964628, 2292066, 2455785, 2546740, 3274380, 3438099, 3820110, 4584132, 4911570, 5730165, 6876198, 7640220, 9823140, 11460330, 13752396, 17190495, 22920660, 34380990, 68761980]

約数ペア:

[(1, 68761980), (2, 34380990), (3, 22920660), (4, 17190495), (5, 13752396), (6, 11460330), (7, 9823140), (9, 7640220), (10, 6876198), (12, 5730165), (14, 4911570), (15, 4584132), (18, 3820110), (20, 3438099), (21, 3274380), (27, 2546740), (28, 2455785), (30, 2292066), (35, 1964628), (36, 1910055), (42, 1637190), (45, 1528044), (54, 1273370), (60, 1146033), (63, 1091460), (70, 982314), (84, 818595), (90, 764022), (105, 654876), (108, 636685), (126, 545730), (135, 509348), (140, 491157), (180, 382011), (189, 363820), (210, 327438), (252, 272865), (270, 254674), (315, 218292), (378, 181910), (420, 163719), (540, 127337), (630, 109146), (756, 90955), (945, 72764), (1260, 54573), (1890, 36382), (3780, 18191)]