13782780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6961}}^1$

素因数の和:6987

約数の個数: 72

約数和(自身を含む): 45615024

約数和(自身を除く): 31832244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 6961, 13922, 20883, 27844, 34805, 41766, 62649, 69610, 76571, 83532, 104415, 125298, 139220, 153142, 208830, 229713, 250596, 306284, 313245, 382855, 417660, 459426, 626490, 689139, 765710, 918852, 1148565, 1252980, 1378278, 1531420, 2297130, 2756556, 3445695, 4594260, 6891390, 13782780]

約数ペア:

[(1, 13782780), (2, 6891390), (3, 4594260), (4, 3445695), (5, 2756556), (6, 2297130), (9, 1531420), (10, 1378278), (11, 1252980), (12, 1148565), (15, 918852), (18, 765710), (20, 689139), (22, 626490), (30, 459426), (33, 417660), (36, 382855), (44, 313245), (45, 306284), (55, 250596), (60, 229713), (66, 208830), (90, 153142), (99, 139220), (110, 125298), (132, 104415), (165, 83532), (180, 76571), (198, 69610), (220, 62649), (330, 41766), (396, 34805), (495, 27844), (660, 20883), (990, 13922), (1980, 6961)]