11511080

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{839}}^1$

素因数の和:871

約数の個数: 64

約数和(自身を含む): 30240000

約数和(自身を除く): 18728920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 839, 980, 1372, 1678, 1715, 1960, 2744, 3356, 3430, 4195, 5873, 6712, 6860, 8390, 11746, 13720, 16780, 23492, 29365, 33560, 41111, 46984, 58730, 82222, 117460, 164444, 205555, 234920, 287777, 328888, 411110, 575554, 822220, 1151108, 1438885, 1644440, 2302216, 2877770, 5755540, 11511080]

約数ペア:

[(1, 11511080), (2, 5755540), (4, 2877770), (5, 2302216), (7, 1644440), (8, 1438885), (10, 1151108), (14, 822220), (20, 575554), (28, 411110), (35, 328888), (40, 287777), (49, 234920), (56, 205555), (70, 164444), (98, 117460), (140, 82222), (196, 58730), (245, 46984), (280, 41111), (343, 33560), (392, 29365), (490, 23492), (686, 16780), (839, 13720), (980, 11746), (1372, 8390), (1678, 6860), (1715, 6712), (1960, 5873), (2744, 4195), (3356, 3430)]