28991760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17257}}^1$

素因数の和:17280

約数の個数: 80

約数和(自身を含む): 102719616

約数和(自身を除く): 73727856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 17257, 34514, 51771, 69028, 86285, 103542, 120799, 138056, 172570, 207084, 241598, 258855, 276112, 345140, 362397, 414168, 483196, 517710, 603995, 690280, 724794, 828336, 966392, 1035420, 1207990, 1380560, 1449588, 1811985, 1932784, 2070840, 2415980, 2899176, 3623970, 4141680, 4831960, 5798352, 7247940, 9663920, 14495880, 28991760]

約数ペア:

[(1, 28991760), (2, 14495880), (3, 9663920), (4, 7247940), (5, 5798352), (6, 4831960), (7, 4141680), (8, 3623970), (10, 2899176), (12, 2415980), (14, 2070840), (15, 1932784), (16, 1811985), (20, 1449588), (21, 1380560), (24, 1207990), (28, 1035420), (30, 966392), (35, 828336), (40, 724794), (42, 690280), (48, 603995), (56, 517710), (60, 483196), (70, 414168), (80, 362397), (84, 345140), (105, 276112), (112, 258855), (120, 241598), (140, 207084), (168, 172570), (210, 138056), (240, 120799), (280, 103542), (336, 86285), (420, 69028), (560, 51771), (840, 34514), (1680, 17257)]