128540325

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{523}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 222217920

約数和(自身を除く): 93677595

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 113, 145, 339, 435, 523, 565, 725, 1569, 1695, 2175, 2615, 2825, 3277, 7845, 8475, 9831, 13075, 15167, 16385, 39225, 45501, 49155, 59099, 75835, 81925, 177297, 227505, 245775, 295495, 379175, 886485, 1137525, 1477475, 1713871, 4432425, 5141613, 8569355, 25708065, 42846775, 128540325]

約数ペア:

[(1, 128540325), (3, 42846775), (5, 25708065), (15, 8569355), (25, 5141613), (29, 4432425), (75, 1713871), (87, 1477475), (113, 1137525), (145, 886485), (339, 379175), (435, 295495), (523, 245775), (565, 227505), (725, 177297), (1569, 81925), (1695, 75835), (2175, 59099), (2615, 49155), (2825, 45501), (3277, 39225), (7845, 16385), (8475, 15167), (9831, 13075)]