219989340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2903}}^1$

素因数の和:3339

約数の個数: 72

約数和(自身を含む): 669116448

約数和(自身を除く): 449127108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 421, 842, 1263, 1684, 2105, 2526, 2903, 3789, 4210, 5052, 5806, 6315, 7578, 8420, 8709, 11612, 12630, 14515, 15156, 17418, 18945, 25260, 26127, 29030, 34836, 37890, 43545, 52254, 58060, 75780, 87090, 104508, 130635, 174180, 261270, 522540, 1222163, 2444326, 3666489, 4888652, 6110815, 7332978, 10999467, 12221630, 14665956, 18332445, 21998934, 24443260, 36664890, 43997868, 54997335, 73329780, 109994670, 219989340]

約数ペア:

[(1, 219989340), (2, 109994670), (3, 73329780), (4, 54997335), (5, 43997868), (6, 36664890), (9, 24443260), (10, 21998934), (12, 18332445), (15, 14665956), (18, 12221630), (20, 10999467), (30, 7332978), (36, 6110815), (45, 4888652), (60, 3666489), (90, 2444326), (180, 1222163), (421, 522540), (842, 261270), (1263, 174180), (1684, 130635), (2105, 104508), (2526, 87090), (2903, 75780), (3789, 58060), (4210, 52254), (5052, 43545), (5806, 37890), (6315, 34836), (7578, 29030), (8420, 26127), (8709, 25260), (11612, 18945), (12630, 17418), (14515, 15156)]