1373220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{2543}}^1$

素因数の和:2561

約数の個数: 48

約数和(自身を含む): 4273920

約数和(自身を除く): 2900700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 2543, 5086, 7629, 10172, 12715, 15258, 22887, 25430, 30516, 38145, 45774, 50860, 68661, 76290, 91548, 114435, 137322, 152580, 228870, 274644, 343305, 457740, 686610, 1373220]

約数ペア:

[(1, 1373220), (2, 686610), (3, 457740), (4, 343305), (5, 274644), (6, 228870), (9, 152580), (10, 137322), (12, 114435), (15, 91548), (18, 76290), (20, 68661), (27, 50860), (30, 45774), (36, 38145), (45, 30516), (54, 25430), (60, 22887), (90, 15258), (108, 12715), (135, 10172), (180, 7629), (270, 5086), (540, 2543)]