30840.0000000

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 7633440

約数和(自身を除く): 3455265

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 75, 85, 87, 113, 145, 255, 339, 425, 435, 493, 565, 725, 1275, 1479, 1695, 1921, 2175, 2465, 2825, 3277, 5763, 7395, 8475, 9605, 9831, 12325, 16385, 28815, 36975, 48025, 49155, 55709, 81925, 144075, 167127, 245775, 278545, 835635, 1392725, 4178175]

約数ペア:

[(1, 4178175), (3, 1392725), (5, 835635), (15, 278545), (17, 245775), (25, 167127), (29, 144075), (51, 81925), (75, 55709), (85, 49155), (87, 48025), (113, 36975), (145, 28815), (255, 16385), (339, 12325), (425, 9831), (435, 9605), (493, 8475), (565, 7395), (725, 5763), (1275, 3277), (1479, 2825), (1695, 2465), (1921, 2175)]