27517980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{65519}}^1$

素因数の和:65538

約数の個数: 48

約数和(自身を含む): 88058880

約数和(自身を除く): 60540900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 65519, 131038, 196557, 262076, 327595, 393114, 458633, 655190, 786228, 917266, 982785, 1310380, 1375899, 1834532, 1965570, 2293165, 2751798, 3931140, 4586330, 5503596, 6879495, 9172660, 13758990, 27517980]

約数ペア:

[(1, 27517980), (2, 13758990), (3, 9172660), (4, 6879495), (5, 5503596), (6, 4586330), (7, 3931140), (10, 2751798), (12, 2293165), (14, 1965570), (15, 1834532), (20, 1375899), (21, 1310380), (28, 982785), (30, 917266), (35, 786228), (42, 655190), (60, 458633), (70, 393114), (84, 327595), (105, 262076), (140, 196557), (210, 131038), (420, 65519)]