320490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{1187}}^1$

素因数の和:1203

約数の個数: 32

約数和(自身を含む): 855360

約数和(自身を除く): 534870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 1187, 2374, 3561, 5935, 7122, 10683, 11870, 17805, 21366, 32049, 35610, 53415, 64098, 106830, 160245, 320490]

約数ペア:

[(1, 320490), (2, 160245), (3, 106830), (5, 64098), (6, 53415), (9, 35610), (10, 32049), (15, 21366), (18, 17805), (27, 11870), (30, 10683), (45, 7122), (54, 5935), (90, 3561), (135, 2374), (270, 1187)]