90766480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1487}}^1$

素因数の和:1616

約数の個数: 80

約数和(自身を含む): 243555840

約数和(自身を除く): 152789360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1487, 1526, 1744, 2180, 2974, 3052, 3815, 4360, 5948, 6104, 7435, 7630, 8720, 10409, 11896, 12208, 14870, 15260, 20818, 23792, 29740, 30520, 41636, 52045, 59480, 61040, 83272, 104090, 118960, 162083, 166544, 208180, 324166, 416360, 648332, 810415, 832720, 1134581, 1296664, 1620830, 2269162, 2593328, 3241660, 4538324, 5672905, 6483320, 9076648, 11345810, 12966640, 18153296, 22691620, 45383240, 90766480]

約数ペア:

[(1, 90766480), (2, 45383240), (4, 22691620), (5, 18153296), (7, 12966640), (8, 11345810), (10, 9076648), (14, 6483320), (16, 5672905), (20, 4538324), (28, 3241660), (35, 2593328), (40, 2269162), (56, 1620830), (70, 1296664), (80, 1134581), (109, 832720), (112, 810415), (140, 648332), (218, 416360), (280, 324166), (436, 208180), (545, 166544), (560, 162083), (763, 118960), (872, 104090), (1090, 83272), (1487, 61040), (1526, 59480), (1744, 52045), (2180, 41636), (2974, 30520), (3052, 29740), (3815, 23792), (4360, 20818), (5948, 15260), (6104, 14870), (7435, 12208), (7630, 11896), (8720, 10409)]