31912720

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{1163}}^1$

素因数の和:1197

約数の個数: 80

約数和(自身を含む): 86601600

約数和(自身を除く): 54688880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1163, 1372, 1715, 1960, 2326, 2744, 3430, 3920, 4652, 5488, 5815, 6860, 8141, 9304, 11630, 13720, 16282, 18608, 23260, 27440, 32564, 40705, 46520, 56987, 65128, 81410, 93040, 113974, 130256, 162820, 227948, 284935, 325640, 398909, 455896, 569870, 651280, 797818, 911792, 1139740, 1595636, 1994545, 2279480, 3191272, 3989090, 4558960, 6382544, 7978180, 15956360, 31912720]

約数ペア:

[(1, 31912720), (2, 15956360), (4, 7978180), (5, 6382544), (7, 4558960), (8, 3989090), (10, 3191272), (14, 2279480), (16, 1994545), (20, 1595636), (28, 1139740), (35, 911792), (40, 797818), (49, 651280), (56, 569870), (70, 455896), (80, 398909), (98, 325640), (112, 284935), (140, 227948), (196, 162820), (245, 130256), (280, 113974), (343, 93040), (392, 81410), (490, 65128), (560, 56987), (686, 46520), (784, 40705), (980, 32564), (1163, 27440), (1372, 23260), (1715, 18608), (1960, 16282), (2326, 13720), (2744, 11630), (3430, 9304), (3920, 8141), (4652, 6860), (5488, 5815)]