488665620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{19531}}^1$

素因数の和:19685

約数の個数: 72

約数和(自身を含む): 1493026080

約数和(自身を除く): 1004360460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 12510, 19531, 25020, 39062, 58593, 78124, 97655, 117186, 175779, 195310, 234372, 292965, 351558, 390620, 585930, 703116, 878895, 1171860, 1757790, 2714809, 3515580, 5429618, 8144427, 10859236, 13574045, 16288854, 24433281, 27148090, 32577708, 40722135, 48866562, 54296180, 81444270, 97733124, 122166405, 162888540, 244332810, 488665620]

約数ペア:

[(1, 488665620), (2, 244332810), (3, 162888540), (4, 122166405), (5, 97733124), (6, 81444270), (9, 54296180), (10, 48866562), (12, 40722135), (15, 32577708), (18, 27148090), (20, 24433281), (30, 16288854), (36, 13574045), (45, 10859236), (60, 8144427), (90, 5429618), (139, 3515580), (180, 2714809), (278, 1757790), (417, 1171860), (556, 878895), (695, 703116), (834, 585930), (1251, 390620), (1390, 351558), (1668, 292965), (2085, 234372), (2502, 195310), (2780, 175779), (4170, 117186), (5004, 97655), (6255, 78124), (8340, 58593), (12510, 39062), (19531, 25020)]