82160820

素因数分解:

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

素因数の和:550

約数の個数: 144

約数和(自身を含む): 287134848

約数和(自身を除く): 204974028

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, 197, 210, 252, 315, 331, 394, 420, 591, 630, 662, 788, 985, 993, 1182, 1260, 1324, 1379, 1655, 1773, 1970, 1986, 2317, 2364, 2758, 2955, 2979, 3310, 3546, 3940, 3972, 4137, 4634, 4965, 5516, 5910, 5958, 6620, 6895, 6951, 7092, 8274, 8865, 9268, 9930, 11585, 11820, 11916, 12411, 13790, 13902, 14895, 16548, 17730, 19860, 20685, 20853, 23170, 24822, 27580, 27804, 29790, 34755, 35460, 41370, 41706, 46340, 49644, 59580, 62055, 65207, 69510, 82740, 83412, 104265, 124110, 130414, 139020, 195621, 208530, 248220, 260828, 326035, 391242, 417060, 456449, 586863, 652070, 782484, 912898, 978105, 1173726, 1304140, 1369347, 1825796, 1956210, 2282245, 2347452, 2738694, 2934315, 3912420, 4108041, 4564490, 5477388, 5868630, 6846735, 8216082, 9128980, 11737260, 13693470, 16432164, 20540205, 27386940, 41080410, 82160820]

約数ペア:

[(1, 82160820), (2, 41080410), (3, 27386940), (4, 20540205), (5, 16432164), (6, 13693470), (7, 11737260), (9, 9128980), (10, 8216082), (12, 6846735), (14, 5868630), (15, 5477388), (18, 4564490), (20, 4108041), (21, 3912420), (28, 2934315), (30, 2738694), (35, 2347452), (36, 2282245), (42, 1956210), (45, 1825796), (60, 1369347), (63, 1304140), (70, 1173726), (84, 978105), (90, 912898), (105, 782484), (126, 652070), (140, 586863), (180, 456449), (197, 417060), (210, 391242), (252, 326035), (315, 260828), (331, 248220), (394, 208530), (420, 195621), (591, 139020), (630, 130414), (662, 124110), (788, 104265), (985, 83412), (993, 82740), (1182, 69510), (1260, 65207), (1324, 62055), (1379, 59580), (1655, 49644), (1773, 46340), (1970, 41706), (1986, 41370), (2317, 35460), (2364, 34755), (2758, 29790), (2955, 27804), (2979, 27580), (3310, 24822), (3546, 23170), (3940, 20853), (3972, 20685), (4137, 19860), (4634, 17730), (4965, 16548), (5516, 14895), (5910, 13902), (5958, 13790), (6620, 12411), (6895, 11916), (6951, 11820), (7092, 11585), (8274, 9930), (8865, 9268)]