30420765

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2423}}^1$

素因数の和:2471

約数の個数: 40

約数和(自身を含む): 56314368

約数和(自身を除く): 25893603

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 2423, 2511, 4185, 7269, 12115, 12555, 21807, 36345, 65421, 75113, 109035, 196263, 225339, 327105, 375565, 676017, 981315, 1126695, 2028051, 3380085, 6084153, 10140255, 30420765]

約数ペア:

[(1, 30420765), (3, 10140255), (5, 6084153), (9, 3380085), (15, 2028051), (27, 1126695), (31, 981315), (45, 676017), (81, 375565), (93, 327105), (135, 225339), (155, 196263), (279, 109035), (405, 75113), (465, 65421), (837, 36345), (1395, 21807), (2423, 12555), (2511, 12115), (4185, 7269)]