87317720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2861}}^1$

素因数の和:2988

約数の個数: 64

約数和(自身を含む): 226670400

約数和(自身を除く): 139352680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 2180, 2861, 3052, 3815, 4360, 5722, 6104, 7630, 11444, 14305, 15260, 20027, 22888, 28610, 30520, 40054, 57220, 80108, 100135, 114440, 160216, 200270, 311849, 400540, 623698, 801080, 1247396, 1559245, 2182943, 2494792, 3118490, 4365886, 6236980, 8731772, 10914715, 12473960, 17463544, 21829430, 43658860, 87317720]

約数ペア:

[(1, 87317720), (2, 43658860), (4, 21829430), (5, 17463544), (7, 12473960), (8, 10914715), (10, 8731772), (14, 6236980), (20, 4365886), (28, 3118490), (35, 2494792), (40, 2182943), (56, 1559245), (70, 1247396), (109, 801080), (140, 623698), (218, 400540), (280, 311849), (436, 200270), (545, 160216), (763, 114440), (872, 100135), (1090, 80108), (1526, 57220), (2180, 40054), (2861, 30520), (3052, 28610), (3815, 22888), (4360, 20027), (5722, 15260), (6104, 14305), (7630, 11444)]