27386940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:547

約数の個数: 96

約数和(自身を含む): 88349184

約数和(自身を除く): 60962244

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, 197, 210, 331, 394, 420, 591, 662, 788, 985, 993, 1182, 1324, 1379, 1655, 1970, 1986, 2317, 2364, 2758, 2955, 3310, 3940, 3972, 4137, 4634, 4965, 5516, 5910, 6620, 6895, 6951, 8274, 9268, 9930, 11585, 11820, 13790, 13902, 16548, 19860, 20685, 23170, 27580, 27804, 34755, 41370, 46340, 65207, 69510, 82740, 130414, 139020, 195621, 260828, 326035, 391242, 456449, 652070, 782484, 912898, 978105, 1304140, 1369347, 1825796, 1956210, 2282245, 2738694, 3912420, 4564490, 5477388, 6846735, 9128980, 13693470, 27386940]

約数ペア:

[(1, 27386940), (2, 13693470), (3, 9128980), (4, 6846735), (5, 5477388), (6, 4564490), (7, 3912420), (10, 2738694), (12, 2282245), (14, 1956210), (15, 1825796), (20, 1369347), (21, 1304140), (28, 978105), (30, 912898), (35, 782484), (42, 652070), (60, 456449), (70, 391242), (84, 326035), (105, 260828), (140, 195621), (197, 139020), (210, 130414), (331, 82740), (394, 69510), (420, 65207), (591, 46340), (662, 41370), (788, 34755), (985, 27804), (993, 27580), (1182, 23170), (1324, 20685), (1379, 19860), (1655, 16548), (1970, 13902), (1986, 13790), (2317, 11820), (2364, 11585), (2758, 9930), (2955, 9268), (3310, 8274), (3940, 6951), (3972, 6895), (4137, 6620), (4634, 5910), (4965, 5516)]