75878920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{433}}^1$

素因数の和:794

約数の個数: 64

約数和(自身を含む): 184831920

約数和(自身を除く): 108953000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 337, 433, 520, 674, 866, 1348, 1685, 1732, 2165, 2696, 3370, 3464, 4330, 4381, 5629, 6740, 8660, 8762, 11258, 13480, 17320, 17524, 21905, 22516, 28145, 35048, 43810, 45032, 56290, 87620, 112580, 145921, 175240, 225160, 291842, 583684, 729605, 1167368, 1459210, 1896973, 2918420, 3793946, 5836840, 7587892, 9484865, 15175784, 18969730, 37939460, 75878920]

約数ペア:

[(1, 75878920), (2, 37939460), (4, 18969730), (5, 15175784), (8, 9484865), (10, 7587892), (13, 5836840), (20, 3793946), (26, 2918420), (40, 1896973), (52, 1459210), (65, 1167368), (104, 729605), (130, 583684), (260, 291842), (337, 225160), (433, 175240), (520, 145921), (674, 112580), (866, 87620), (1348, 56290), (1685, 45032), (1732, 43810), (2165, 35048), (2696, 28145), (3370, 22516), (3464, 21905), (4330, 17524), (4381, 17320), (5629, 13480), (6740, 11258), (8660, 8762)]