81885540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11279}}^1$

素因数の和:11313

約数の個数: 72

約数和(自身を含む): 252040320

約数和(自身を除く): 170154780

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 3630, 7260, 11279, 22558, 33837, 45116, 56395, 67674, 112790, 124069, 135348, 169185, 225580, 248138, 338370, 372207, 496276, 620345, 676740, 744414, 1240690, 1364759, 1488828, 1861035, 2481380, 2729518, 3722070, 4094277, 5459036, 6823795, 7444140, 8188554, 13647590, 16377108, 20471385, 27295180, 40942770, 81885540]

約数ペア:

[(1, 81885540), (2, 40942770), (3, 27295180), (4, 20471385), (5, 16377108), (6, 13647590), (10, 8188554), (11, 7444140), (12, 6823795), (15, 5459036), (20, 4094277), (22, 3722070), (30, 2729518), (33, 2481380), (44, 1861035), (55, 1488828), (60, 1364759), (66, 1240690), (110, 744414), (121, 676740), (132, 620345), (165, 496276), (220, 372207), (242, 338370), (330, 248138), (363, 225580), (484, 169185), (605, 135348), (660, 124069), (726, 112790), (1210, 67674), (1452, 56395), (1815, 45116), (2420, 33837), (3630, 22558), (7260, 11279)]