213145380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1217}}^1$

素因数の和:1378

約数の個数: 144

約数和(自身を含む): 744831360

約数和(自身を除く): 531685980

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, 139, 140, 180, 210, 252, 278, 315, 417, 420, 556, 630, 695, 834, 973, 1217, 1251, 1260, 1390, 1668, 1946, 2085, 2434, 2502, 2780, 2919, 3651, 3892, 4170, 4865, 4868, 5004, 5838, 6085, 6255, 7302, 8340, 8519, 8757, 9730, 10953, 11676, 12170, 12510, 14595, 14604, 17038, 17514, 18255, 19460, 21906, 24340, 25020, 25557, 29190, 34076, 35028, 36510, 42595, 43785, 43812, 51114, 54765, 58380, 73020, 76671, 85190, 87570, 102228, 109530, 127785, 153342, 169163, 170380, 175140, 219060, 255570, 306684, 338326, 383355, 507489, 511140, 676652, 766710, 845815, 1014978, 1184141, 1522467, 1533420, 1691630, 2029956, 2368282, 2537445, 3044934, 3383260, 3552423, 4736564, 5074890, 5920705, 6089868, 7104846, 7612335, 10149780, 10657269, 11841410, 14209692, 15224670, 17762115, 21314538, 23682820, 30449340, 35524230, 42629076, 53286345, 71048460, 106572690, 213145380]

約数ペア:

[(1, 213145380), (2, 106572690), (3, 71048460), (4, 53286345), (5, 42629076), (6, 35524230), (7, 30449340), (9, 23682820), (10, 21314538), (12, 17762115), (14, 15224670), (15, 14209692), (18, 11841410), (20, 10657269), (21, 10149780), (28, 7612335), (30, 7104846), (35, 6089868), (36, 5920705), (42, 5074890), (45, 4736564), (60, 3552423), (63, 3383260), (70, 3044934), (84, 2537445), (90, 2368282), (105, 2029956), (126, 1691630), (139, 1533420), (140, 1522467), (180, 1184141), (210, 1014978), (252, 845815), (278, 766710), (315, 676652), (417, 511140), (420, 507489), (556, 383355), (630, 338326), (695, 306684), (834, 255570), (973, 219060), (1217, 175140), (1251, 170380), (1260, 169163), (1390, 153342), (1668, 127785), (1946, 109530), (2085, 102228), (2434, 87570), (2502, 85190), (2780, 76671), (2919, 73020), (3651, 58380), (3892, 54765), (4170, 51114), (4865, 43812), (4868, 43785), (5004, 42595), (5838, 36510), (6085, 35028), (6255, 34076), (7302, 29190), (8340, 25557), (8519, 25020), (8757, 24340), (9730, 21906), (10953, 19460), (11676, 18255), (12170, 17514), (12510, 17038), (14595, 14604)]