28507140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17597}}^1$

素因数の和:17618

約数の個数: 60

約数和(自身を含む): 89433036

約数和(自身を除く): 60925896

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 17597, 35194, 52791, 70388, 87985, 105582, 158373, 175970, 211164, 263955, 316746, 351940, 475119, 527910, 633492, 791865, 950238, 1055820, 1425357, 1583730, 1900476, 2375595, 2850714, 3167460, 4751190, 5701428, 7126785, 9502380, 14253570, 28507140]

約数ペア:

[(1, 28507140), (2, 14253570), (3, 9502380), (4, 7126785), (5, 5701428), (6, 4751190), (9, 3167460), (10, 2850714), (12, 2375595), (15, 1900476), (18, 1583730), (20, 1425357), (27, 1055820), (30, 950238), (36, 791865), (45, 633492), (54, 527910), (60, 475119), (81, 351940), (90, 316746), (108, 263955), (135, 211164), (162, 175970), (180, 158373), (270, 105582), (324, 87985), (405, 70388), (540, 52791), (810, 35194), (1620, 17597)]