1287512520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{11027}}^1$

素因数の和:11187

約数の個数: 128

約数和(自身を含む): 4446489600

約数和(自身を除く): 3158977080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 139, 140, 168, 210, 278, 280, 417, 420, 556, 695, 834, 840, 973, 1112, 1390, 1668, 1946, 2085, 2780, 2919, 3336, 3892, 4170, 4865, 5560, 5838, 7784, 8340, 9730, 11027, 11676, 14595, 16680, 19460, 22054, 23352, 29190, 33081, 38920, 44108, 55135, 58380, 66162, 77189, 88216, 110270, 116760, 132324, 154378, 165405, 220540, 231567, 264648, 308756, 330810, 385945, 441080, 463134, 617512, 661620, 771890, 926268, 1157835, 1323240, 1532753, 1543780, 1852536, 2315670, 3065506, 3087560, 4598259, 4631340, 6131012, 7663765, 9196518, 9262680, 10729271, 12262024, 15327530, 18393036, 21458542, 22991295, 30655060, 32187813, 36786072, 42917084, 45982590, 53646355, 61310120, 64375626, 85834168, 91965180, 107292710, 128751252, 160939065, 183930360, 214585420, 257502504, 321878130, 429170840, 643756260, 1287512520]

約数ペア:

[(1, 1287512520), (2, 643756260), (3, 429170840), (4, 321878130), (5, 257502504), (6, 214585420), (7, 183930360), (8, 160939065), (10, 128751252), (12, 107292710), (14, 91965180), (15, 85834168), (20, 64375626), (21, 61310120), (24, 53646355), (28, 45982590), (30, 42917084), (35, 36786072), (40, 32187813), (42, 30655060), (56, 22991295), (60, 21458542), (70, 18393036), (84, 15327530), (105, 12262024), (120, 10729271), (139, 9262680), (140, 9196518), (168, 7663765), (210, 6131012), (278, 4631340), (280, 4598259), (417, 3087560), (420, 3065506), (556, 2315670), (695, 1852536), (834, 1543780), (840, 1532753), (973, 1323240), (1112, 1157835), (1390, 926268), (1668, 771890), (1946, 661620), (2085, 617512), (2780, 463134), (2919, 441080), (3336, 385945), (3892, 330810), (4170, 308756), (4865, 264648), (5560, 231567), (5838, 220540), (7784, 165405), (8340, 154378), (9730, 132324), (11027, 116760), (11676, 110270), (14595, 88216), (16680, 77189), (19460, 66162), (22054, 58380), (23352, 55135), (29190, 44108), (33081, 38920)]