27815760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{5519}}^1$

素因数の和:5545

約数の個数: 120

約数和(自身を含む): 106778880

約数和(自身を除く): 78963120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 5519, 11038, 16557, 22076, 27595, 33114, 38633, 44152, 49671, 55190, 66228, 77266, 82785, 88304, 99342, 110380, 115899, 132456, 154532, 165570, 193165, 198684, 220760, 231798, 248355, 264912, 309064, 331140, 347697, 386330, 397368, 441520, 463596, 496710, 579495, 618128, 662280, 695394, 772660, 794736, 927192, 993420, 1158990, 1324560, 1390788, 1545320, 1738485, 1854384, 1986840, 2317980, 2781576, 3090640, 3476970, 3973680, 4635960, 5563152, 6953940, 9271920, 13907880, 27815760]

約数ペア:

[(1, 27815760), (2, 13907880), (3, 9271920), (4, 6953940), (5, 5563152), (6, 4635960), (7, 3973680), (8, 3476970), (9, 3090640), (10, 2781576), (12, 2317980), (14, 1986840), (15, 1854384), (16, 1738485), (18, 1545320), (20, 1390788), (21, 1324560), (24, 1158990), (28, 993420), (30, 927192), (35, 794736), (36, 772660), (40, 695394), (42, 662280), (45, 618128), (48, 579495), (56, 496710), (60, 463596), (63, 441520), (70, 397368), (72, 386330), (80, 347697), (84, 331140), (90, 309064), (105, 264912), (112, 248355), (120, 231798), (126, 220760), (140, 198684), (144, 193165), (168, 165570), (180, 154532), (210, 132456), (240, 115899), (252, 110380), (280, 99342), (315, 88304), (336, 82785), (360, 77266), (420, 66228), (504, 55190), (560, 49671), (630, 44152), (720, 38633), (840, 33114), (1008, 27595), (1260, 22076), (1680, 16557), (2520, 11038), (5040, 5519)]