81680940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13751}}^1$

素因数の和:13780

約数の個数: 96

約数和(自身を含む): 277240320

約数和(自身を除く): 195559380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 495, 540, 594, 660, 990, 1188, 1485, 1980, 2970, 5940, 13751, 27502, 41253, 55004, 68755, 82506, 123759, 137510, 151261, 165012, 206265, 247518, 275020, 302522, 371277, 412530, 453783, 495036, 605044, 618795, 742554, 756305, 825060, 907566, 1237590, 1361349, 1485108, 1512610, 1815132, 1856385, 2268915, 2475180, 2722698, 3025220, 3712770, 4084047, 4537830, 5445396, 6806745, 7425540, 8168094, 9075660, 13613490, 16336188, 20420235, 27226980, 40840470, 81680940]

約数ペア:

[(1, 81680940), (2, 40840470), (3, 27226980), (4, 20420235), (5, 16336188), (6, 13613490), (9, 9075660), (10, 8168094), (11, 7425540), (12, 6806745), (15, 5445396), (18, 4537830), (20, 4084047), (22, 3712770), (27, 3025220), (30, 2722698), (33, 2475180), (36, 2268915), (44, 1856385), (45, 1815132), (54, 1512610), (55, 1485108), (60, 1361349), (66, 1237590), (90, 907566), (99, 825060), (108, 756305), (110, 742554), (132, 618795), (135, 605044), (165, 495036), (180, 453783), (198, 412530), (220, 371277), (270, 302522), (297, 275020), (330, 247518), (396, 206265), (495, 165012), (540, 151261), (594, 137510), (660, 123759), (990, 82506), (1188, 68755), (1485, 55004), (1980, 41253), (2970, 27502), (5940, 13751)]