15489540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7823}}^1$

素因数の和:7849

約数の個数: 72

約数和(自身を含む): 51262848

約数和(自身を除く): 35773308

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, 7823, 15646, 23469, 31292, 39115, 46938, 70407, 78230, 86053, 93876, 117345, 140814, 156460, 172106, 234690, 258159, 281628, 344212, 352035, 430265, 469380, 516318, 704070, 774477, 860530, 1032636, 1290795, 1408140, 1548954, 1721060, 2581590, 3097908, 3872385, 5163180, 7744770, 15489540]

約数ペア:

[(1, 15489540), (2, 7744770), (3, 5163180), (4, 3872385), (5, 3097908), (6, 2581590), (9, 1721060), (10, 1548954), (11, 1408140), (12, 1290795), (15, 1032636), (18, 860530), (20, 774477), (22, 704070), (30, 516318), (33, 469380), (36, 430265), (44, 352035), (45, 344212), (55, 281628), (60, 258159), (66, 234690), (90, 172106), (99, 156460), (110, 140814), (132, 117345), (165, 93876), (180, 86053), (198, 78230), (220, 70407), (330, 46938), (396, 39115), (495, 31292), (660, 23469), (990, 15646), (1980, 7823)]