28789320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{34273}}^1$

素因数の和:34294

約数の個数: 64

約数和(自身を含む): 98709120

約数和(自身を除く): 69919800

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, 140, 168, 210, 280, 420, 840, 34273, 68546, 102819, 137092, 171365, 205638, 239911, 274184, 342730, 411276, 479822, 514095, 685460, 719733, 822552, 959644, 1028190, 1199555, 1370920, 1439466, 1919288, 2056380, 2399110, 2878932, 3598665, 4112760, 4798220, 5757864, 7197330, 9596440, 14394660, 28789320]

約数ペア:

[(1, 28789320), (2, 14394660), (3, 9596440), (4, 7197330), (5, 5757864), (6, 4798220), (7, 4112760), (8, 3598665), (10, 2878932), (12, 2399110), (14, 2056380), (15, 1919288), (20, 1439466), (21, 1370920), (24, 1199555), (28, 1028190), (30, 959644), (35, 822552), (40, 719733), (42, 685460), (56, 514095), (60, 479822), (70, 411276), (84, 342730), (105, 274184), (120, 239911), (140, 205638), (168, 171365), (210, 137092), (280, 102819), (420, 68546), (840, 34273)]