213670980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{395687}}^1$

素因数の和:395705

約数の個数: 48

約数和(自身を含む): 664755840

約数和(自身を除く): 451084860

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, 395687, 791374, 1187061, 1582748, 1978435, 2374122, 3561183, 3956870, 4748244, 5935305, 7122366, 7913740, 10683549, 11870610, 14244732, 17805915, 21367098, 23741220, 35611830, 42734196, 53417745, 71223660, 106835490, 213670980]

約数ペア:

[(1, 213670980), (2, 106835490), (3, 71223660), (4, 53417745), (5, 42734196), (6, 35611830), (9, 23741220), (10, 21367098), (12, 17805915), (15, 14244732), (18, 11870610), (20, 10683549), (27, 7913740), (30, 7122366), (36, 5935305), (45, 4748244), (54, 3956870), (60, 3561183), (90, 2374122), (108, 1978435), (135, 1582748), (180, 1187061), (270, 791374), (540, 395687)]